☙F) and a relative humidity of 50 ☑0% for a minimum of 30 minutes pnor to test, or referred to as theĤ.4 Unless otherwise indicated for a specific test, testing of each construction in the unpigmented and heaviest pigmented dark and light tapes (such as black and white) are considered to represent the range of colors for each test. All samples shall be preconditioned at 23 ±5C (73 Flammability testing shall be conducted in still air at a temperature ofġ5- 35C (59- 95F) and a relative humidity of < 75%. UL 510:2020 pdf free download.PolyvinyI Chloride, Polyethylene, and Rubber Insulating Tape.Įxception: Lengths of tape for use as adhesion tesS specimens are to be placed adhesive side up on a smooth, clean surface or are to be suspended in air for a minimum time corresponding to the conditions specified in 10.1.Ĥ.3 Unless otherwise specified, all testing, except flammability, shall be conducted at 23 ±5C (73 ☙F)Īnd a relative humidity of 50 ☑0%.
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