Our PU Sealant is an excellent 1-compound polyurethane sealant. It is an isocyanate-terminated PU that makes a cross-link with the reaction of residual isocyanate groups & humidity in the air. It possesses excellent balance with modulus & elasticity, with flexibility on vibration & elasticity. Offers excellent adhesiveness with most kinds of substrates. It retains excellent performance for the long term due to superior resistance to weather, heat, water etc.