The cable gland is made from polyvinylidene fluoride (PVDF), a type of fluoropolymer known for its high resistance to chemicals and extreme temperatures. It has an opaque color, indicated by the term "Opaque" in its designation. The specific product is part of the PG 29 series designed for use with MULTI CABLE, which likely refers to cables composed of multiple materials, including TPE (thermoplastic elastomer) and possibly other materials.