... is a one part, polyurethane elastic filling sealant material. It is chemical synthesized by polyurethane, polyether and other macromolecule ... binding off of purdah jointing,holes and crack in sealant, filling of gap .lFelt: ceilings, decorative panels ... by which ,together with the trigger, the foam discharge rate can be regulated.*When filling vertical ... kept 9-12 months. COST-1260 Polyurethane Foam