PG-321CL Bicomponent polysulfide building sealant

PG-321CL Bicomponent polysulfide building sealant Two-component silicone sealant is a new type of waterproof and sealing material with excellent performance superior to other sealants. The product is two-component paste and two components are obviously different in color which is easy to mix evenly. Two components A and B used should be according to the mass ratio1:1, mixing evenly without color difference (the curing speed can be regulated by adjusting the ratio of A