Molding mechanism and method of polyurethane foam materials

polyurethane foam material molding methodhard the foam forming methods mainly include pouring and sprayingplate production technology and precautions rigid polyurethane foam plastic sheets are light in weight, high in strength and have good thermal insulation effect. they are ideal building materials , used for roof insulation, cold storage, etc. most of this kind of board…

polyurethane foam material molding methodhard the foam forming methods mainly include pouring and sprayingplate production technology and precautions rigid polyurethane foam board is an ideal building material due to its light weight, high strength and good thermal insulation effect. , used for roof insulation, cold storage, etc. most of this kind of board is covered…