Characteristics of rigid polyurethane foams used as insulation materials of building and their application and constructiontechnology in roofing,wall,floor were described. The selection of blowing agent and the method...Characteristics of rigid polyurethane foams used as insulation materials of building and their application and constructiontechnology in roofing,wall,floor were described. The selection of blowing agent and the method of modifying fire retardance of rigidpolyurethane foams were briefly introduced.展开更多
文摘Characteristics of rigid polyurethane foams used as insulation materials of building and their application and constructiontechnology in roofing,wall,floor were described. The selection of blowing agent and the method of modifying fire retardance of rigidpolyurethane foams were briefly introduced.
