China Multi-Purpose Polyurethane Sealant for Construction Sheet Metal Roofs Window Perimeters Sealing and Bonding, Find details about China Sika PU Sealant, 3m PU Sealant from Multi-Purpose Polyurethane Sealant for Construction Sheet Metal Roofs Window Perimeters Sealing and Bonding
Appearance | Uniform Paste |
Color | Black/White/Grey |
Density | 1.30 ± 0.05 kg/L |
Tack-free time* | 40~60 min |
Rate of cure* | ~3.5 mm per 24 hrs |
Shore A hardness | 40±5 |
Tensile strength | ≥2 N/mm^2 |
Elongation at break | ≥500% |
Shear strength | ≥1 N/ mm^2 |
Glass transition temperature | -45°C, approx. |
Service temperature (continuous) Short - term (up to 48 hrs) | -40°C to +90°C 120°C |