300ml MH571A Polyurethane Sealant Cartridge for Automotive Windshield Glass Bonding with 4.0 MPa Tensile Strength
300ml Cartridge Polyurethane Sealant designed for automotive windshield and glass mirror gasket sealing applications. This high-performance sealant delivers exceptional mechanical strength and durability for professional automotive assembly and repair.
| Test Item | Properties |
|---|---|
| Appearance | Black, homogeneous paste |
| Sagging properties (mm) GB/T 13477.6 | 0 |
| Tack free time (min) GB/T 13477.5 | 20, approx. |
| Curing speed (mm/d) HG/T 4363 | 3.2, approx. |
| Non-volatile contents (%) GB/T 2793 | 99, approx. |
| Shore A-hardness GB/T 531.1 | 55, approx. |
| Tensile strength (MPa) GB/T 528 | 4.0, approx. |
| Elongation at break (%) GB/T 528 | 400, approx. |
| Tear strength (N/mm) GB/T 529 | 13, approx. |
| Tensile-shear strength (MPa) GB/T 7124 | 2.5, approx. |
| Operating temperature (°C) | -40~90 |
Note: Test results may vary depending on actual environmental conditions.
- Non-corrosive and non-polluting to substrates
- No bubble formation during application
- Environmentally friendly formulation
- Excellent extrudability and thixotropic properties
- No sagging or dripping during vertical applications
- Specifically designed for windshield and side/back window glass bonding
Sample orders: 1-3 days. Mass production orders: 7-10 working days.
Yes, we provide free samples for evaluation and testing.
Yes, we offer OEM services including custom volume and tube packaging options.
Our manufacturing facility is located in Hubei Province, and we welcome customer visits.
Sample orders: 100% trade assurance. Mass orders: 30% TT prepayment with 70% balance payment.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.