JH-378 Neutral transparent silicone sealant 1.weather sealing in most building materials; 2.clear,white,black,gray etc JH-378 Neutral transparent silicone Sealant1.Characteristics:Belongs to RTV-1 products; Neutral curing, non-corrosive to marble, coated glass, concrete, metal (except copper) etc;Quick speed of curing, excellent adhesion, low modulus, excellent displacement capability;Excellent ...