Nnul 94 flammability test procedure pdf files

Wewouldrecommend,therefore,that reference to cs19253 be dropped fromthe federal lawandthatall clothingmaterials be evaluated bythe methoddescribed in. Test in development lower risk raised surface fabrics. Model building, life safety and fire codes include numerous requirements that products and materials include specified minimum flammability ratings. Test procedures for evaluating flammability of interior. Hb means that once ignited the sample will continue to burn but at a controlled. Flammability test report report nolehtx00565302 page 2 of 3 test specification test method bs en 5971. Fire and flammability testing environmental resistance. Ul 94 flammability rating summary 5va surface burn burning stops within 60 seconds after. Ul 94 flammability tests of plastic materials for parts in devices and. Internationally, a variety of test protocols exist to quantify flammability. Furniture and mattress testing, including astm e1537, bifma, nfpa 266, nfpa 267, ufac, and california technical bulletins 116, 117, 129, and 3. Flammability tester is to determine the degree of flammability on the basis of the flammability test results after a variety of materials are tested under different conditions. Intertek provides flammability and flammabilityrelated tests for materials research, quality control, industry and regulatory requirements.

Ats is especially qualified to handle your flammability ul94 testing needs, as we are iso 17025 a2la accredited to test to that standard. Ul94 is a standard for fire testing of plastic materials for parts in devices and appliances. This test is used to measure and describe the properties of natural or synthetic fabrics in response to heat and flame under controlled lab conditions. Fire and flammability testing smithers can assist standard and custom fire and flammability testing programs designed to meet your particular materials requirements.

Flammability tester complies with astm d1230, ftms1915908, bs en712. Ul is the abbreviation for the underwriters laboratories, this is an independent organisation in the united states to control and certificate product safety. This method is used to determine the ul 94 v0, v1 and v2 flammability ratings. Material flammability test methods 11 test method designation titledescription 49 cfr 571. Flammability tester ul94 is a smart testing apparatus which is utilized to conduct the standard test for ensuring the safety of flammability of plastic materials which are used for parts in devices and appliances. The video of ul 94 flammability test procedure is attached in this web page. Flammability testing determines how easily a material or finished product will ignite or burn when exposed to or used near fire or heat. Ul 94, the standard for flammability of plastic materials for parts in devices and appliances, is one of the most widely accepted flammability performance standards for plastic materials. Ul94 flammability test v0,v1,v2 v ertical flame class requirements. For over 50 years, ats has provided worldclass consulting, engineering, inspection, and testing services to clients from a variety of industries. According to ul, this standard has been harmonized with iec 60707, 606951110 and. Ul provide safety related certification, validation, inspection and testing services to a range of clients including manufacturers, retailers, policy makers and regulators.

Ul 94 flammability testing is the first step toward obtaining a plastic recognition and subsequent listing in the plastics recognized component directory former known as yellow cards. Consumer products must satisfy safety requirements and regulations before brought to market. Ul 94 standard for tests for flammability of plastic. Most any textile material can be evaluated using this test with the following. Ul94 flame retardant tester is used for the flammability testing of plastic materials such as v0 v1 v2, hb, 5v, hf1 hf2, hbf material or foam, and used in consumer electric devices and. Ul 94 flammability test method ul94 standard test method. The materials are classified into ul94 flammability classes v0, v1, v2, hb and 5va and 5vb.

The horizontal burning test is used to determine the hb flammability rating of a material. Prior to testing, five specimens were conditioned for 168 hours at a temperature of. The test involves applying a flame to one end of a horizontal bar of the plastic for 30 seconds or until the flame front reaches the specified mark. Ul 94 flame classifications ul94 flame ratings for plastics. Fabrics are classified into class 1 normal flammability, class 2 intermediate and class 3 rapid and intense burningclass 3 fabrics cannot be sold in the u. Ul 94 is used to measure burning rate and characteristics based on standard samples.

Text that has been changed in any manner is marked with a vertical line in the margin. Flammability is the ease with which a combustible substance can be ignited, causing fire or combustion or even an explosion. In the ul910 test, a single layer of 24foot lengths of cable is supported by a onefoot wide cable rack, which is filled with cables. Ul94 test for flammability of plastic materials for parts in devices and appliances by caroline gold overview plastics have become one of the most useful types of material known to mankind.

Test for flammability of plastic materials for parts in. Measuring flame characteristics of plastics and textiles, aircraft interior flammability testing is a vital part of any aerospace qualification program. Astm d380110 standard test method for measuring the comparative burning characteristics of solid plastics. Flammability testing labs applied technical services. Ul 94, the standard for safety of flammability of plastic. The flammability of a rubber or polymer material depends significantly on the formulation. Materials are tested for flammability to meet the ul94 standard. Our flammability testing equipment is safe and accurate enough to be your best assistant in flammability testing labs.

This standard determines a materials ability to propagate or extinguish a flame once ignited. Ul 94 flammability testing ul 94 flammability testing is the first step toward obtaining a plastic recognition and subsequent listing in the plastics recognized component directory former known as yellow cards. Ul standard 94 identifies test methods for flammability of plastic materials for parts in devices and appliances. The flammability of the sample is evaluated using the time it takes the flame to travel along the test specimen and the characteristics of the burn. Applied technical services, provides flammability testing to manufacturers to keep their products standardcompliant. Ul 94 test for flammability of plastic materials for parts in devices and appliances by caroline gold overview plastics have become one of the most useful types of material known to mankind. They are intended to serve as a preliminary indication of their acceptability with respect to. Testing of both fire retardant and nonfire retardant material is done with ul94. Flammability of polymers appalachian state university. This article is the first in a series intended to answer some common questions regarding this standard. Ul standard for safety for test for flammability of plastic materials for parts in devices and appliances, ul 94 fifth edition, dated october 29, 1996 revisions. Failure to meet flammability testing requirements is not only a considerable risk to public safety, but it also restricts market access and can lead to enforcement actions by. Includes flocked pile, nap brushed or cut or tufted surfaces flammability testing is required except fabrics made of 1 or more of the following fibers are exempt from flammability testing in the usa. This standard contains revisions through and including may 22, 2001.

Ul 94 flammability test method ul94 standard test method for testing the flammability of building products this firetest response standard for comparative surface burning behavior of building materials is applicable to exposed vertical surfaces such as walls. Plastic is a high molecular weight material composed of repeating organic molecules monomers. The degree of difficulty required to cause the combustion of a substance is quantified through fire testing. Flammability chart for high risk fabrics august 2017. The 94hb test describes the horizontal burn method. The flammability rating is calculated for a test specimen as a function of the burning rate and taking account of the material thickness. Ul 94, the standard for safety of flammability of plastic materials for parts in devices and appliances testing there are two types of preselection test programs conducted on plastic materials to measure flammability characteristics. The test is used primarily to assess the potential vulnerability of vapors to electrostatic discharges but is also relevant to frictional sparks. Ul94 test for flammability of plastic materials for. Industry applications for flammability test methods include textiles and consumer goods, aerospace and transportation, bedding, and furniture materials.

Ul 94 test for flammability of plastic materialsscope. The test evaluates both the burning and afterglow times and dripping of the burning test specimen. The first determines the materials tendency either to extinguish or to spread the flame once the. This is to note that the test doesnt show the real hazards faced by the specimen in reallife fire accidents. Testing fabric flammability consumer and retail services. Designed to match the rigors of the application, this test is quite demanding. Material shall be classified 945v a or 945vb on the basis of test results obtained on small bar and plaque specimens. Flammability testing is a critical part of ensuring safe and trustworthy consumer products. Understanding ul 94 certifications and limitations lets shed some light on what the ul 94 standard and its associated flammability ratings are and, more importantly, what they are not. Ul 94 vertical and horizontal flammability tester youtube. The test is used for determining the horizontal burning rate of materials used in the occupant. Horizontal burning test 94hb this is the easiest test to pass and materials that pass the vertical burning test will usually be acceptable for applications that require a hb r only. Astm d 635, test method for rate of burning andor extent and time of burning of selfsupporting plastics in a horizontal position iec 707, methods of test for the determination of the flammability of solid electrical insulating materials when exposed to an igniting source, iso 1210, plastics determination of the burning behavior of horizontal and vertical specimens in. Ul94 is a widely known standard for testing the flammability of plastics.

601 1038 1399 850 1421 240 622 93 1198 456 228 1402 1369 672 541 935 956 235 789 387 811 1430 352 1107 218 614 959 136 1162 210 1390 380 763 43 565 592 110 1066 365