Our cable gland standard on ROHS, TUV, CE certificaiton and so on, our gland waterproof grade base on PA66.... 1.Material: parts A,C,E are made of UL approved nylon PA66,parts B and D are made of nitrile butadiene rubber(NBR).2.Thread specificaiton: Metric ,PG,G,NPT.3.Working Temperature : -40 to 100 centigrade in static state,instantaneous heat resistance up to 120 centigrade,-20 to 80 ...