Flamability tests

for electrical cables UL 1581, § 1080

DescriptionUL 1581, § 1080 -  UL 2556, § 9.4
(VW-1 Flame Test)
Length of specimen 610 mm
Bunsen burner with additional air supply (Tirril gas burner) Ø 9,5 mm
Test temperature500 W flame
Position of specimenvertical
Position of flame

20° zur vertical specimen

Duration of flaming5 x 15 seconds with least 15 seconds flaming break

Paper max. 25% carbonized. The specimen may keep on burning for max. 1 minute after any application. Material dropping must not ignite the cotton (B) lying under the specimen.

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