Polyurethane foam caulking agent is a special polyurethane product that fills polyurethane prepolymer, foaming agent, catalyst and other components into a pressure-resistant aerosol can. During construction, the aerosol colloid is sprayed to the site to be constructed through a matching glue gun or manual nozzle, and the molding, foaming, bonding and sealing processes are completed in a short period of time. Its cured foam elastomer has excellent properties such as bonding, waterproofing, resistance to thermal expansion and contraction, heat insulation, sound insulation and even flame retardant (limited to flame retardant type). It is widely used for filling the side seams of building doors and windows, component expansion joints and holes. seal.
