Каква е разликата между силиконов AS122 и полиуретанов уплътнител PU440?
HOW FAST DOES DCP GA777 ACRYLIC SEALANT DRY?
Seal It, Set It, Forget It: GA777 Acrylic Drying Speed Revealed
Polyurethane sealants
Polyurethane sealants are used to seal joints in a wide variety of construction applications
