Modified polyurethane sealant, referred to as SPU sealant, has high modulus, anti-pollution after curing, and is environmentally friendly. It is suitable for bonding and sealing the joints of various materials such as car bodies, train high-speed rail cars, elevator cars, containers, ships, mechanical ventilation equipment, architectural decorations, etc. This product meets environmental protection requirements, does not contain harmful substances in GB18583 "Limits of Hazardous Substances in Adhesives for Interior Decoration Materials", meets the EU ROHS and REACH environmental protection standards, and meets the German environmental protection standards for automotive adhesives.
| Model | HY464 | HY465 | HY466 |
| Appearance | White, gray, black and other fine and uniform pastes | ||
| Density (g/cm3) | 1.45±0.2 | ||
| Sag (mm) | 0 | ||
| Tack-free time (min) | 20~90 | ||
| Curing speed (mm /24h) | 3 | ||
| Tensile shear strength (Mpa) | 4 | 2.5 | 1.2 |
| Elongation at break (%) | 300 | 400 | 400 |
| Tensile strength (Mpa) | 5 | 3 | 1.5 |
| Tear strength (KN/m) | 10 | 5 | 5 |
| Hardness (Shore A) | 40~70 | 30~60 | 30~60 |
| Temperature resistance range (℃) | -40~120 | ||
Helen