Lion Elastomers Trilene^® 77 grade is a crystalline waxy EPDM terpolymer that is used as an additive in rubber compounds and works well in sulfur-cured systems to reduce viscosity. It acts as a reactive plasticizer in rubber compounds without any significant loss of hardness or other mechanical properties. In coatings & adhesives Trilene^® 77 EPDM is used as a nonpolar, non crystalline elastomeric material that provides strong adhesion to a variety of substrates. Additionally, Trilene^® 77 demonstrates low permeability to gases and water vapor, superior impact resistance and high flexibility at low temperatures. Trilene^® 77 EPDM is easier to handle during mixing compared to Trilene^® 65 and 67 since it is a solid at room temperature.