One-component Polyurethane Sealant

One-component polyurethane sealant is a kind of sealant that is one-component and cures at room temperature. The paste state makes it be squeezed out to operation. One-component polyurethane sealant cures by absorbing the moisture in the air. And it reacts with active group in the surface to play the adhesion role. It is not saggy, so it will not flow when used in vertical joints. It can adhere on metal, rubber, wood, cement, ceramic and glass. It has two functions: sealing and waterproofing. And one-component polyurethane sealant can be divided into two kinds according to the reaction encountering water: water-swelling sealant and no swelling sealant.
One-component Polyurethane Sealant