This method is used to determine the ul 94 v0, v1 and v2 flammability ratings. Material shall be classified 94 5v a or 94 5vb on the basis of test results obtained on small bar and plaque specimens. Ul 94, the standard for tests for flammability of plastic materials for parts in. Ul94 vertical flame test instructional video youtube. Autoflamm flammability tester textile testing products. This standard contains revisions through and including may 22, 2001. V2, v1, or v0 the test samples, placed vertically with the test flame impinging on the.
An investigation of the ul94v plastics flammability test. Flammability test ul94 materials are tested for flammability to meet the ul94 standard. Although the test methods and desired fire performance vary between tests, they. Ul 94 standard for tests for flammability of plastic. Test for flammability of plastic materials for parts in. 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. The horizontal burning test is used to determine the hb flammability rating of a material. Test procedures for evaluating flammability of interior materials barbara c. Text that has been changed in any manner is marked with a vertical line in the margin. Ul 94, the standard for safety of flammability of plastic materials for parts in. Ul94 test for flammability of plastic materials for. The test evaluates both the burning and afterglow times and dripping of the burning test specimen. The flammability rating is calculated for a test specimen as a function of the. This document is written to report the test methods used to certify premier conductive plastics flammability rating of ul94 v0 and ul945v.
Filmed at western washington university, 11242014, featuring bradley fenbert and john. The 94 5v test is for enclosures for products that are. Ul 94, the standard for safety of flammability of plastic materials for parts in devices and appliances testing. Ul international thermoplastics testing center website test methods. Determine test procedures and performance criteria that demonstrate improved repeatability over. The materials are classified into ul94 flammability classes v0, v1, v2, hb and 5va and 5vb. The test evaluates both the burning and afterglow times and dripping of. Flammability of plastic materials ul94 fire testing services. The autoflamm accurately meets the highly specialized testing needs of home textiles that hang vertically, such as curtains, drapes, bedding and table cloths. Ul94 fire testing for flammability of plastic materials for parts in devices and appliances.
Ul 94 also describes a method in which the test flame is applied for up to five. The results of most ul 94 flammability tests are not applicable to materials whose thickness exceeds. 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. Ul94 v0, v1, v2 flammability standard ul yellow cards rtp.
Ul94 veiligheidsnorm ontvlambaarheid kunststoffen verpas. Test procedures for evaluating flammability of interior. Understanding ul 94 certifications and limitations. Ul 94 flammability rating summary 5va surface burn burning stops within 60 seconds after. Plastic is a high molecular weight material composed of repeating organic molecules monomers. A total of 10 specimens 2 sets are tested per thickness. The ul94 fire testing standard describes five types of fire tests to compare plastics material in. Flammability ul 94 v ul thermoplastics testing center.