When we talk with plastic manufacturers, electrical component suppliers, and product testing laboratories, one question comes up again and again: how will a material behave when it is exposed to a small flame? A plastic component may look strong, feel durable, and perform well during normal use, but its Burning Behavior is another important factor that needs to be evaluated before it is selected for a particular application.

At Guangzhou Chuangge Automation Equipment Co., Ltd., we focus on customized testing equipment for industrial and laboratory applications. Our UL94 Horizontal And Vertical Flammability Tester is intended for laboratories and manufacturers that need to evaluate the flammability characteristics of suitable plastic materials under controlled test conditions. By combining horizontal and vertical test arrangements in an appropriate equipment configuration, users can examine different burning behaviors and collect useful information for material evaluation and quality control.

We understand that buying a flammability tester is not simply a matter of choosing a machine with a burner and a timer. The test method, specimen dimensions, flame application conditions, observation process, safety features, and data recording requirements all affect whether the equipment suits a laboratory's actual work. That is why we encourage customers to identify the standard and testing purpose first, then confirm the required equipment configuration before production begins.

Our company specializes in customized testing equipment for applications involving construction materials, wires and cables, plastics and textiles, electrical accessories, electronic products, and household appliances. We work with customers to understand their technical requirements and arrange equipment specifications around the agreed application. For the UL94 horizontal and vertical flammability tester, the final configuration should be confirmed against the applicable standard, the intended material, and the customer's testing procedure.

Whether you are establishing a new material testing laboratory, expanding an existing quality inspection department, or adding flammability testing to a plastic product development process, the first step is to define what needs to be measured. A clear specification helps avoid unnecessary functions, reduces uncertainty during commissioning, and makes it easier for laboratory personnel to use the equipment consistently.

1. What Is a UL94 Horizontal And Vertical Flammability Tester?

A UL94 Horizontal And Vertical Flammability Tester is laboratory equipment used to assess the burning behavior of specified plastic materials exposed to a controlled flame. Depending on the configured test method, a specimen is positioned horizontally or vertically, exposed to a defined flame source, and observed according to the relevant procedure. The operator records the required information, which may include burning time, burning distance, afterflame behavior, afterglow, and whether flaming droplets occur.

The equipment is commonly associated with evaluating plastic materials used in electrical and electronic components, appliance housings, molded parts, insulating components, and other products where material flammability is an important consideration. However, not every plastic product can be evaluated using exactly the same method. The material type, specimen form, thickness, and applicable test standard all matter.

In practical terms, horizontal and vertical testing answer related but different questions. A horizontal test can be used to evaluate how far or how quickly a flame travels along a specimen positioned horizontally. A vertical test can help determine whether a specimen continues burning after the flame source is removed and whether flaming material falls from the specimen under the specified conditions.

These observations can help material developers compare formulations, assess production consistency, and screen candidate materials for particular applications. They should not, however, be treated as a complete prediction of how a finished product will behave in a real fire. Actual fire behavior can be affected by product geometry, ventilation, surrounding materials, installation conditions, heat sources, and many other factors.

Horizontal and vertical testing at a glance

Reference sources: UL Solutions, Combustion (Fire) Tests for Plastics; IEC, IEC 60695-11-10:2013; ASTM International, ASTM D635. The table summarizes general differences and is not a substitute for the full test procedures.

One detail is worth emphasizing: the words “horizontal and vertical” do not automatically mean that every classification method can be performed using the same burner, settings, specimen holder, or procedure. UL 94 includes different test methods and material categories. Before ordering, we recommend confirming the exact test methods required rather than relying on the product name alone.

2. How Does the UL94 Flammability Test Work?

The basic idea is straightforward: expose a prepared specimen to a controlled flame and observe its response under specified laboratory conditions. The actual procedure is more precise than that short description suggests. Sample preparation, conditioning, specimen position, burner characteristics, flame application time, measurement points, and the timing of observations may all be defined by the applicable standard.

Step 1: Prepare the test specimens

Testing begins with a suitable specimen. Depending on the standard and the material being assessed, the specimen may be molded directly or cut from a sheet or finished sample. Its dimensions, thickness, surface condition, and orientation need to meet the selected procedure.

This step deserves attention because specimens that differ in thickness or preparation may not produce directly comparable results. For example, a plastic formulation may behave differently in a thin section than in a thicker section. If the goal is to compare two materials, the laboratory should use specimens prepared according to the same applicable method and record the relevant details.

Step 2: Condition the samples when required

Some test methods specify how specimens should be conditioned before testing. This may involve maintaining samples under defined temperature and humidity conditions or using a specified oven-conditioning procedure. The exact conditions depend on the applicable method and material category.

We advise customers to confirm whether their laboratory needs sample-conditioning equipment in addition to the flammability tester. A flame tester does not automatically include an environmental chamber or conditioning oven, and these additional devices should not be assumed to be part of a standard package unless they are listed in the quotation.

Step 3: Mount the specimen in the required position

The specimen is secured in the appropriate holder. For a horizontal burning test, it is positioned horizontally; for a vertical burning test, it is positioned vertically. The holder should keep the sample stable without interfering with the observation requirements of the test.

Positioning is not a cosmetic detail. The relationship between the specimen and the flame affects how heat reaches the material. A holder that does not suit the intended test method can make setup difficult and may compromise the consistency of the procedure. For this reason, we recommend confirming the required holder arrangement and supported specimen sizes before equipment manufacture.

Step 4: Apply the flame according to the test method

The operator applies the specified ignition source for the required period. The flame characteristics and exposure sequence depend on the method being performed. Some procedures use a single flame application, while others require repeated applications with defined observation periods.

It is important not to use one universal flame setting for every UL 94 test. The horizontal burning method and the vertical burning methods have different purposes and procedures. Other methods, including those used for 5V classifications or thin materials, may require a different arrangement and should be confirmed separately.

Step 5: Observe and record the burning behavior

After the flame is applied, the operator records the observations required by the selected procedure. Depending on the method, these may include the time a specimen continues burning, the distance the flame travels, afterglow, whether the specimen burns to a specified point, or whether flaming droplets ignite an indicator material.

A timer can help the operator record elapsed time, while clear viewing access makes it easier to observe the specimen. If the laboratory requires electronic data capture, video recording, automated timing, or other additional functions, those requirements should be stated before the equipment configuration is finalized.

Step 6: Evaluate the result against the relevant criteria

The recorded observations are assessed using the applicable standard's requirements. The outcome depends on the complete test procedure and its acceptance criteria, not simply on whether a specimen appears to stop burning quickly.

For example, UL 94 classifications such as HB and V-0, V-1, or V-2 relate to different test arrangements and criteria. They should not be treated as interchangeable labels. A laboratory must use the correct procedure, specimen requirements, and evaluation rules before assigning or reporting a classification.

The tester supports this process by providing the required test setup and observation conditions. The equipment alone does not certify a material, issue a UL recognition, or guarantee that a finished product meets every regulatory requirement. Formal certification or recognition, when required, must follow the relevant certification process.

3. Key Features and Configuration Considerations

When we discuss a UL94 horizontal and vertical flammability tester with a customer, we focus on the testing tasks the equipment must support. A useful configuration should make the prescribed test procedure practical to carry out, provide suitable access for observation, and allow operators to work through repeated tests in a consistent manner.

Horizontal and vertical specimen arrangements

The first consideration is whether the customer needs both horizontal and vertical test methods. The required specimen holders, positioning arrangements, and related accessories should match the specified procedures. Customers should also confirm whether they need only the common horizontal and vertical methods or whether additional test categories are required.

If your laboratory plans to test thin films, low-density foams, or materials that shrink away from a flame, please tell us at the inquiry stage. These materials may require methods or accessories beyond a conventional horizontal and vertical bar test. Confirming the material category early helps us determine whether the proposed configuration is appropriate.

Controlled flame application

The burner arrangement is a central part of the tester. The required burner type, flame characteristics, positioning, and adjustment range must correspond to the applicable test method. It is not enough to choose a burner simply because it can produce a visible flame.

During specification review, we recommend checking the ignition source, adjustment mechanism, fuel supply requirements, and any accessories needed to establish the prescribed flame. The actual burner configuration should be stated in the technical specification so that the equipment can be checked against the customer's testing requirements before production.

Timing and observation

Burning and afterflame times can be important parts of the test record. The equipment should support the timing procedure required by the selected method. Depending on the agreed configuration, this may involve a timer or other timing functions, with the operator observing the specimen and recording the result.

Automatic timing and data-recording functions may be useful for laboratories that conduct repeated tests or want to standardize their records. However, the availability of these functions should be confirmed rather than assumed. If you need software, automatic event detection, data export, or report templates, list those needs separately so they can be evaluated during design.

Observation access and specimen handling

Operators need a clear view of the specimen during flame exposure and subsequent observation. The equipment layout should allow samples to be mounted, inspected, and removed in a controlled manner. A practical setup can reduce unnecessary handling and make routine laboratory work more convenient.

When reviewing a proposed configuration, consider the number of specimens tested each day, the range of specimen sizes, the space available in the laboratory, and how frequently the operator will change between test arrangements. These details can be just as important as the machine's external dimensions.

Safety and exhaust arrangements

Combustion testing may generate smoke, fumes, hot surfaces, and burning residues. The test area therefore needs appropriate safety controls, ventilation or exhaust arrangements, and operating procedures. The precise requirements depend on the materials, the test method, the laboratory layout, and applicable local rules.

We recommend that customers discuss exhaust connections, the intended installation environment, fuel supply, electrical supply, and any required protective features before placing an order. The laboratory should also establish suitable fire safety procedures and train operators to handle specimens and operate the equipment responsibly.

Configuration checklist

The checklist is a purchasing guide, not a declaration that every item is included in every machine. We confirm the final scope with the customer and document the agreed functions, accessories, and technical requirements in the order specification.

4. Understanding UL 94 Classifications and Related Standards

One of the most common sources of confusion in flammability testing is the assumption that all small-flame tests are essentially the same. In reality, different standards and classifications have different purposes. Before selecting a tester, the laboratory should identify the exact classification or test method it needs to evaluate.

UL 94 is widely used to evaluate the burning behavior of plastic materials for parts used in devices and appliances. It includes several classifications, including horizontal burning classifications and vertical burning classifications. The method used depends on the material category, specimen form, and intended evaluation.

IEC 60695-11-10 describes 50 W horizontal and vertical flame test methods. Its horizontal method evaluates linear burning rate under specified conditions, while its vertical method evaluates burning behavior and self-extinguishing properties under defined conditions. ASTM D635, meanwhile, addresses the rate, extent, and time of burning of plastics in a horizontal position. The standards may be related in scope, but the laboratory should still confirm the exact method and edition required for its work.

Common classifications and method differences

Sources: UL Solutions — Combustion (Fire) Tests for Plastics; IEC 60695-11-10:2013; ASTM D635-22. Classification names in this table are for general orientation. The applicable standard's full requirements take precedence.

These distinctions have direct purchasing implications. If your laboratory needs to perform only a specific horizontal method, you may not need the same equipment configuration as a laboratory performing both horizontal and vertical tests. If you need 5V, VTM, or foam-related testing, we recommend identifying that requirement separately instead of assuming it is included in the basic configuration.

It is also important to separate material testing from product certification. A test result can provide evidence about a specimen under the specified conditions, but it does not automatically establish that a complete appliance, electronic product, or electrical assembly complies with every applicable requirement. The final decision depends on the product's intended use and the relevant evaluation or certification process.

5. Applications Across Plastics, Electronics, and Quality Inspection

Our testing equipment business serves several industrial sectors, and flammability testing is relevant wherever the burning behavior of a plastic material needs to be understood. The exact test method varies by application, so we encourage customers to connect the equipment specification with the actual material and product under evaluation.

Plastic material manufacturing

Plastic producers may need to evaluate different formulations, compare batches, or investigate changes in material performance. A UL94 Flammability Tester can support this work by providing a controlled setup for the selected burning test. For example, a development team may compare specimens prepared from different formulations while keeping the specimen dimensions and test procedure consistent.

Such comparisons are most useful when the laboratory records the material grade, formulation identification, specimen thickness, conditioning details, and test conditions. A result without this background can be difficult to interpret later, especially when the team needs to investigate a production change or repeat an earlier evaluation.

Electrical and electronic components

Plastic housings, insulating parts, connectors, internal supports, and other components may be exposed to heat or potential ignition sources during service. Evaluating the flammability characteristics of the material can form part of the material selection and product development process.

For manufacturers of electronic components and electrical accessories, the tester can help laboratory staff assess samples against a specified test method. The required classification should be determined from the product's applicable requirements rather than selected simply because it is commonly used in the industry.

Household appliances

Appliance manufacturers use a range of polymer materials in external housings, internal supports, controls, and other parts. Depending on the product design and applicable requirements, material flammability may be one factor considered during component selection.

A controlled flammability test can support comparisons between candidate materials and provide test records for internal quality review. However, passing a material-level test should not be interpreted as proof that the complete appliance is safe under every operating or fault condition. Other product-level evaluations may also be required.

Research and development laboratories

Universities, research laboratories, and material development teams may use small-scale flammability testing to study how material composition, thickness, additives, and processing conditions affect burning behavior. When testing is repeated over time, consistent specimen preparation and clear records help researchers understand whether an observed difference is meaningful.

For research applications, we recommend discussing the range of specimen types, expected test frequency, and any special data requirements before equipment selection. These details can influence the holder design, control arrangement, and optional accessories required for the laboratory.

Third-party testing and quality inspection

Quality inspection agencies and independent laboratories may need a clear, repeatable process for evaluating customer samples. In these environments, it is especially important that the equipment configuration matches the laboratory's documented method and that operators follow the same preparation and observation procedures.

Customers working under an accredited quality system should confirm whether the equipment, calibration arrangements, verification records, and measurement traceability meet their laboratory's own requirements. Purchasing a tester does not by itself establish laboratory accreditation, and equipment functionality checks should not be confused with formal calibration or third-party certification.

Application overview

6. Our Customization, Manufacturing, and Delivery Process

At Guangzhou Chuangge Automation Equipment Co., Ltd., we recognize that industrial customers often have requirements that cannot be addressed by a generic equipment description. One laboratory may need a straightforward test arrangement, while another may need additional holders, particular dimensions, customized controls, or a configuration that fits an existing testing workflow.

We therefore begin with the application rather than assuming that every customer needs the same machine. Our team reviews the relevant test standard, sample information, operating environment, and required functions before confirming the proposed configuration. This approach helps clarify the scope before manufacturing starts.

Requirement review and technical confirmation

The first stage is to collect the essential information: the test standard and edition, the material category, the intended classification, the specimen dimensions, the required test positions, and any additional functions. If the customer has a test procedure or equipment specification, sharing it at this stage is particularly helpful.

We also discuss the installation environment and utility requirements. For a flame-testing device, this can include the available workspace, electrical supply, fuel arrangement, exhaust provision, and relevant safety procedures. These factors should be considered early because they may affect the final equipment design and installation plan.

Configuration planning and production

Once the technical requirements have been reviewed, the agreed configuration can be documented. This should identify the main equipment functions, included accessories, required utilities, documentation, and any customer-specific options. Where a requirement cannot be confirmed from the available information, it should be clarified before it becomes part of the order.

The typical production cycle for our customized testing equipment is approximately 30 to 60 days, depending on the equipment specifications and degree of customization. This is a planning estimate rather than a guaranteed delivery date. A more accurate schedule can be provided after the technical scope, production requirements, and order arrangements have been confirmed.

Functional inspection and performance verification

Before delivery, the equipment undergoes functional inspection and performance verification according to the agreed scope. The purpose is to check the equipment's operation and confirm that the agreed functions can be demonstrated. The exact checks depend on the configuration and the acceptance requirements defined for the order.

We recommend agreeing on the acceptance criteria before production is complete. For example, customers should identify which functions need to be demonstrated, which accessories should be included, and what documentation is required. If formal calibration, an accredited test report, or third-party certification is needed, this should be discussed separately because it is not automatically included in a general functional inspection.

Documentation and operator preparation

Operating instructions and technical documentation are provided as agreed with the customer. These materials help the user understand the equipment setup, routine operation, and relevant maintenance considerations. The customer should also ensure that operators are trained in the applicable test method, safe flame handling, specimen preparation, and emergency procedures.

For laboratories working to a formal quality system, we suggest retaining equipment identification details, operating records, maintenance records, and any applicable verification or calibration documentation. The exact record set depends on the laboratory's procedures and regulatory obligations.

Packaging and transportation

After the agreed inspection and documentation steps, the equipment is prepared for shipment. We use protective packaging and sturdy wooden cases where appropriate to help protect equipment during handling and transport. Packaging requirements can vary according to equipment size, weight, accessories, destination, and shipping method.

We can arrange sea, air, or land transportation according to the order and destination. Sea freight may suit larger equipment shipments when the schedule allows, while air freight may be considered when transit time is a priority. The suitable option depends on the shipment dimensions, destination, cost, and delivery requirements.

Payment terms can be negotiated based on the order requirements. Before confirming the order, we recommend that both parties document the equipment scope, price, payment schedule, production lead time, delivery terms, packaging arrangement, and required documents. Clear written confirmation reduces misunderstandings and makes the delivery process easier to manage.

7. Why Work with Guangzhou Chuangge Automation Equipment Co., Ltd.?

Selecting a testing equipment supplier involves more than comparing the initial purchase price. The equipment needs to suit the intended test method, fit the laboratory's workflow, and come with a clear scope of supply. We believe that a useful supplier relationship begins with technical communication and continues through manufacturing, inspection, delivery, and after-sales coordination.

Experience with customized testing requirements

Our company specializes in customized testing equipment for multiple industrial sectors, including construction materials, wires and cables, plastics and textiles, electrical plugs and sockets, switches, electronic products, and household appliances. This range of applications has made technical requirement review an important part of our approach.

For a UL94 horizontal and vertical flammability tester, we encourage customers to provide their exact testing requirements rather than rely on a broad product name. This gives us a clearer basis for reviewing the specimen arrangement, burner configuration, timing requirements, safety considerations, and additional functions that may be needed.

Quality management and documented processes

We have obtained ISO 9001 quality management system certification, ISO 14001 environmental management system certification, and ISO 45001 occupational health and safety management system certification. These certifications relate to the company's management systems within their respective scopes. They should not be interpreted as product-specific certifications or as proof that an individual tester automatically complies with every testing standard.

Our corporate philosophy is to ensure survival through high technology and drive development through high quality. We apply this principle by emphasizing technical clarification, clear specifications, inspection arrangements, and documentation throughout the order process.

Intellectual property and technical development

Our company has a portfolio of more than 20 patents, including invention patents, utility model patents, and software patents. This portfolio reflects our involvement in technical development and equipment-related innovation. The precise relevance of a particular patent depends on its scope, so we do not treat the overall patent count as proof that every feature of every product is patented.

Communication before production

For customized equipment, many avoidable problems begin with unclear expectations. A customer may assume that a particular burner, automatic timing function, software package, or certification document is included, while the supplier has not listed it in the agreed scope. We try to reduce this risk by confirming technical requirements and deliverables before production begins.

When requesting a quotation, customers should tell us what they intend to test, which standard applies, and what result or workflow they need to support. If there are existing laboratory procedures, drawings, or specification documents, these can help clarify the requirement. We can then review the information and identify which details still need confirmation.

Practical delivery arrangements

We understand that customers need more than a machine arriving at their facility. They also need the agreed accessories, operating instructions, technical documents, and a clear understanding of the delivery arrangements. We discuss packaging, transportation, payment terms, and the production schedule as part of order coordination.

Our goal is to provide a testing equipment solution that fits the customer's actual application, rather than adding features that are not needed or promising functions that have not been confirmed. For us, clear communication is an important part of delivering equipment that can be integrated into a real laboratory workflow.

8. Frequently Asked Questions About the UL94 Horizontal And Vertical Flammability Tester

Q1: What materials can be tested with a UL94 Horizontal And Vertical Flammability Tester?

The equipment is generally intended for suitable plastic specimens used in material research, manufacturing quality control, and product development. The exact range depends on the test method, specimen geometry, and equipment configuration. Thin films, low-density foams, and materials that shrink away from a flame may require different test methods or accessories. Please provide the material type and specimen details so the appropriate configuration can be reviewed.

Q2: What is the difference between horizontal and vertical flammability testing?

Horizontal testing generally evaluates burning behavior along a horizontally positioned specimen, often including burning distance or rate. Vertical testing evaluates burning behavior with a vertically positioned specimen and may include afterflame time, afterglow where applicable, and flaming droplets. The precise observations and acceptance criteria depend on the selected standard.

Q3: Can one tester perform both horizontal and vertical tests?

A suitable configuration can be designed to support the required horizontal and vertical test arrangements. However, the product name alone does not confirm that every UL 94 method is supported. We recommend listing the exact methods and classifications required, including whether you need HB, V-0, V-1, V-2, 5V, VTM, or other material-specific testing. The final scope should be confirmed in writing.

Q4: Does the equipment automatically issue a UL 94 classification?

Not necessarily. The tester provides the equipment and test conditions needed for the agreed procedure. Classification depends on correctly prepared specimens, compliance with the test method, the recorded observations, and evaluation against the applicable criteria. Any automatic calculation or reporting functions must be confirmed as part of the equipment specification. A tester does not by itself grant UL certification or recognition.

Q5: Is the tester suitable for third-party laboratories?

It may be suitable for third-party laboratories when the equipment configuration meets their specific method and operational requirements. Laboratories should also confirm any requirements related to calibration, verification, traceability, documentation, and accreditation. If the laboratory operates under a formal quality system, share the relevant requirements before ordering so that the proposed configuration and documentation can be reviewed.

Q6: Can the tester be customized?

Customization can be discussed according to the intended test method and the customer's actual needs. Possible areas for review include specimen holders, working dimensions, timing functions, data recording, additional accessories, and installation requirements. Not every option is suitable for every method, and no customized function should be assumed to be included until it has been confirmed in the technical specification.

Q7: How long does production take?

Our typical production cycle for customized testing equipment is approximately 30 to 60 days. The actual lead time depends on the equipment configuration, customization requirements, component availability, and order confirmation. We recommend confirming the production schedule after the technical details have been finalized.

Q8: What inspections are completed before shipment?

Before delivery, equipment undergoes functional inspection and performance verification according to the agreed scope. The checks are intended to confirm the operation of the supplied equipment and agreed functions. Formal calibration, third-party certification, or accredited testing is separate unless specifically included in the order. Customers should identify any additional acceptance or documentation requirements before production is completed.

Q9: What information should I provide to obtain a quotation?

To help us review your requirements, please provide the applicable standard and edition, intended test methods or classifications, material type, specimen dimensions and thickness, required test positions, preferred timing or data-recording functions, and any special accessories. It is also helpful to share your destination country, expected delivery schedule, and whether you require additional documentation. If some details are not yet available, send what you have and we can identify the information that still needs to be confirmed.

Q10: How is the equipment packed and shipped?

We use protective packaging and sturdy wooden cases where appropriate, with the arrangement selected according to the equipment and shipment requirements. Sea, air, and land transportation can be discussed based on the destination, delivery schedule, and budget. The final packaging and shipping arrangement should be confirmed when the order is placed.

Q11: Can the tester evaluate the fire safety of a complete finished product?

The tester is designed for specified small-scale material flammability tests, not for every possible fire safety assessment of a finished product. The results describe material behavior under the prescribed test conditions. A complete product may require additional testing and evaluation based on its construction, intended use, and applicable product standards.

Q12: What should I check before comparing quotations from different suppliers?

Compare the specified test methods, included holders and accessories, burner arrangement, timing functions, safety provisions, documentation, inspection scope, warranty and service terms, packaging, and delivery schedule. Confirm whether any quoted optional functions are included in the stated price. A lower initial price may not represent the same scope of supply, so it is useful to compare written technical specifications side by side.

Request a Customized UL94 Horizontal And Vertical Flammability Tester

If you are looking for a UL94 Horizontal And Vertical Flammability Tester for plastic material testing, laboratory quality control, or product development, we invite you to share your testing requirements with Guangzhou Chuangge Automation Equipment Co., Ltd. We will review the intended application, the applicable test method, and the equipment functions you need before discussing a suitable configuration.

To help us respond efficiently, please include the material type, specimen dimensions, relevant UL 94 or other standard reference, required horizontal and vertical test methods, and any special functions or documentation requirements. If your laboratory needs additional test methods, such as 5V or thin-material testing, please identify them separately so their compatibility can be reviewed.

We can discuss equipment configuration, customization, production lead time, inspection arrangements, packaging, transportation, and payment terms according to your project. Our typical production cycle is 30 to 60 days, subject to the final specifications and order requirements.

We believe that a good testing equipment solution starts with a clear understanding of the work it needs to perform. By confirming the test method and acceptance requirements before production, both supplier and customer can establish a more practical basis for equipment selection, delivery, and laboratory use.

Contact Guangzhou Chuangge Automation Equipment Co., Ltd. to discuss your UL94 horizontal and vertical flammability testing requirements.

Technical References

• UL Solutions — Combustion (Fire) Tests for Plastics

• International Electrotechnical Commission — IEC 60695-11-10:2013

• ASTM International — ASTM D635, Horizontal Burning of Plastics

• UL Solutions — Standards for Evaluating Plastics

Note: This page provides general product and application information. The applicable standard, edition, test configuration, classification criteria, and supplied equipment functions must be confirmed against the customer's requirements and the final technical specification.