Polyurethane rubber compound, polyurethane medical bandage, polyurethane cold mending adhesive Descriptions and applications It has the polyurethane prepolymer and the foaming agent, the catalyst, soaks the medicinal preparation and the chemical additive uniform It can fill cavities, break-through, cracks and gaps, sounds and heat installation of window and door, gap between wall and air conditioner, filling and sealing of gap between wall and thermal insulation material of cold storage-the foam has strong adhesive, good stability and will adhere to material such as metal, plestic, wood , concrete, masonry.