PU foam is mainly used for filling, sealing and bonding the side seams, expansion joints and frames of building doors and windows. It is a polyurethane elastic sealing foam material cured by moisture. It is divided into two types: gun type and manual type. It is a one-component, moisture-curable, multi-purpose polyurethane foam-filled elastic sealing material. PU Foam is a special polyurethane product in which components such as polyurethane prepolymer, and catalyst are filled in a pressure-resistant aerosol can.

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