YT920 is a one-component acid curing silicone sealant, perimeter glazing for windows and doors, glass, ... etc. 1.Characteristics: YT920 belongs to RTV-1, Acid curing, quickly speed of curing, high adhesion, Iow modulus, high ... above 50 on the surface of the materials.6. Color and Package:Color: Transparent, Gray, Black, White, or other colors on request ...