Red pasty cold curing one component organosilicone sealant A, product features:ZQ451 is heat-resistant type organic silicon adhesive sealant, there are various viscosity ... adhesive and seal, belong to take off ketone oxime single-component ambient curable silicone rubber type, but not to copper ... is lower, curing time will also extend, 6mm thick sealant to fully cure time more than seven days. Four, ...