DM-221
DM-221 Advanced Windshield Sealant
DM-221
DM-221 Advanced Windshield Sealant
Flexible, High-Performance Sealing for Automotive Glass and Bodies
DM-221 is a one-component polyurethane sealant for bonding and sealing vehicle windshields and bodies. Its moderate modulus, strong adhesion, flexibility, and resilience suit both porous and non-porous substrates.
Key Benefits
• Sag-resistant and easy to apply
• Solvent-free and odorless
• Glossy surface finish
• Primer-free on suitable glass surfaces
• Easy secondary disassembly
• Suitable for paintable bonding and sealing
Performance Highlights:
• Tensile stress: 5 MPa
• Elongation at break: 600%
• Tear strength: >16 MPa
• Tack-free time: 40–60 minutes
Applications
• Windshield bonding and sealing
• Side-glass and body bonding
• Body skins and aluminum panel bonding
• Interior and exterior trim sealing
• Weld and body-box sealing
Main Technical Specifications
| Item | Item No. | Recommended Use | Colors | Tack-free Time | Shore A | Tensile Strength | Elongation at Break | Safe Drive-away Time |
|---|---|---|---|---|---|---|---|---|
| Windshield Sealant | DM-221 | Auto glass and body sealing | Black | 40–60 min | 55 | 5 MPa | 600% | Not specified |
Why Choose DM-221
DM-221 combines strong adhesion, flexibility, and primer-free glass application for versatile automotive bonding and sealing.
Packing Options
• 300 ml aluminum cartridge
• 600 ml sausage