Flame retardant test standards & conditions about heating wire !
Heating wire in life, is applied by all walks of life, then in the procurement of heating wire, the buyer of the flame retardant requirements of the heating wire is basically no understanding, the heating wire is basically produced in accordance with the conventional way, of course, it is also good to do so, can effectively reduce costs, conducive to the transaction of both sides, then what is the flame retardant test standard for the wire ?
V-2: After two 10-second combustion tests of the sample, the residual flame & residual flame is extinguished within 60 seconds. Falling particles can ignite cotton.
V-1: After two 10-second combustion tests of the sample, the residual flame & residual flame is extinguished within 60 seconds. Dripping particles should not ignite the cotton.
V-0: After two 10-second combustion tests of the sample, the residual flame & residual flame is extinguished within 30 seconds. Dripping particles should not ignite the cotton
