Test Procedures for Flame Retardancy
Test Procedures for Flame Retardancy. Flame Retardancy in a cable describes the ability of the materials to cease burning once the source of heat is removed. Several tests have been formulated to measure this property, with the most common being: VW-1 (Vertical-Wire) Flame Test (UL 83) (Formerly FR-1) Very similar to the 'All Wires Flame Test ...
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