... Material CAS No MF Place of Origin Polyurethane sealant 653 pu/polyurethane 9009-54-5 C3H8N2O Shanghai,Website:http://www ... kejianinc.com, China 1.Description Polyurethane sealant is a kind of one-component polyurethane sealant and after reacting with moisture ... aluminum, painted metal, polyester, glass, PVC, concrete tile, earthen brick, and chinaware. 3.Application methord Applying by sealant gun ...