Dow Corning brand silicone encapsulants are supplied as two-part liquid component kits with a mix ratio of 1:1. When liquid components are thoroughly mixed, the mixture cures to a flexible elastomer, which is well suited for the protection of electrical/electronic applications. Standard silicone encapsulants require a surface treatment with a primer in addition to good cleaning for adhesion while primerless silicone encapsulants require only good cleaning. - 2-part, 1:1 mix, dark gray, general purpose encapsulant with good flowability and flame resistance. Dow Corning silicone encapsulants cure without exotherm at a constant rate regardless of sectional thickness or degree of confinement.