How is the heat resistance determined?

FAQ'S ON HEAT RESISTANCE

GLOW WIRE TESTING

DIN EN 60695-2 / UL94

Underwriters Laboratories' UL94 regulation has established rules for performing a non-flammability test, which uses a scale to classify the flammability of plastics.
With the glow wire test according to DIN EN 60695-2 (DIN EN 60695-2-10 (2014-04): Fire hazard testing - Part 2-10: Glow wire tests - Glow wire test equipment and general test method), a test of the enclosure is performed to assess the fire hazard.
 V-0V-1V-5
afterburning test after each firing< 10 s< 20 s< 30 s
Total burning time per set (10 Flaming)< 50 s< 250 s< 250 s
Afterburning time / afterglow after the 2nd flame< 30 s< 60 s< 60 s
Burn-up to the retaining clipnonono
cotton wool inflammationnonoyes