Fireproof eva fire rating how to measure

HB: The lowest flame retardant grade in the UL94 standard. Requirements for samples from 3 to 13 mm thick, the burning rate is less than 40 millimeters per minute; less than 70 millimeters per minute; or extinguished before the mark of 100 millimeters. Years of experience, high quality and low price, honesty, Dongguan Jiajie foam source manufacturers foam, self-production and self-sales.

UL fire test report

On a 3 mm thick sample, the burning rate is less than 70 mm per minute; or extinguished before the 100 mm mark.

V-2: After two 10-second burn tests on the sample, the flame goes out within 60 seconds. There may be a drop of burning material.

V-1: Flame extinguished within 60 seconds after two 10-second burn tests on the sample. No combustibles can fall off.

V-0: Flame extinguished within 30 seconds after two 10-second burn tests on the sample. No combustibles can fall.