Polyurethane road joint sealant

Product Introduction :

   Polyurethane road joint sealant is a new type of two-component room temperature curing joint material. It boasts excellent bonding strength, elasticity, resistance to aging, and high and low temperature tolerance, with a long service life and quick, convenient application. It is widely used for highway joints, airport runways and aprons, bridge expansion joints, underground tunnels, reservoir embankments, and other joint construction projects.

   Polyurethane road joint sealant is a new type of two-component room temperature curing sealant material. It boasts excellent bonding strength, elasticity, resistance to aging, and ability to withstand extreme temperatures, with a long service life and quick, convenient application. It is widely used for sealing in highway joints, airport runways and aprons, bridge expansion joints, underground tunnels, reservoir embankments, and other types of joint construction.

I. Performance and Features:

Product is two-component: Component A is a polyurethane prepolymer, and Component B is a thick liquid.

  2. High product strength, good elongation, high solid content, and excellent bonding properties.

3. The product is highly wear-resistant, waterproof, and can withstand extreme temperatures, offering superior performance.

4. Free from coal tar, petroleum resin, asphalt, and organic solvents, posing no pollution to humans or the environment.

5. When encountering vertical surface construction, it exhibits good thixotropic properties and does not sag.
Technical Specifications: (Compliant with Q/320801GZ002-2003 standard)
      Inflow Viscosity (S):<30;

      Break elongation %:≥250;  

Bond Strength Mpa :           ≥0.5 ;

       Surface Dryness at 25°C:≤6;
Practical h(25℃): ≤24

High Temperature Resistance: °C≥150;      

      Low Temperature Flexibility: ℃≤-30;