... UL, ROHS, CE TUV etc, and we make full line of cable gland, like PG, M,NPT,G. thread..... speci 1.Material ... 100 centigrade.4.Characteristics: Special design of clamping die and rubber part,large range in clamping cable, ultra-strong stretching resistance, waterproof ... solvent.5.Color: black,white,grey as well as special colors that can be designed at request. nylon cable gland of PG type ...