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Structural Adhesives
Providing high-performance adhesive to aluminum, steel and other materials, BETAMATE™ polyurethane structural adhesives replace welds and mechanical fasteners, helping improve vehicle durability, reduce weight and reduce manufacturing costs.
Applications
BETAMATE structural adhesives can be used as a glue to replace welds and mechanical fasteners in joining a variety of similar and dissimilar substrates, without degreasing or priming. Their use can help reduce fatigue and failure commonly found around spot welds and fasteners.
- Full aluminum vehicle bodies
- Aluminum closures
- Cast aluminum to profile bonding
- Composite body-in-white parts integration
- Magnesium suspension struts
- Aluminum chassis/powertrain components
- Aluminum or composite roof bonding
- Bonded seat structures
Application Methods
As a continuous bondline, swirled, sprayed and extruded. Technical Service and Development is offered to assure proper application techniques.
Benefits
- Increases car body stiffness for improved handling and acoustic performance
- Reduces costs by reducing weld spots, downgauging steel and using mid-steel in place of high-strength steel
- Reduces vehicle weight, thereby reducing CO2 emissions
- Streamlined assembly process by overcoming weld point access issues
- Modulus above 1,000 MPa
- Glass transition temperature above 80°C
- Impact resistance f(t) from -40°C to 80°C
- Adhesion to oily substrates
- Wash-off resistance
- Contributes to lightweight design flexibility and safety of the entire vehicle
- Joins dissimilar and hard-to-weld substrates, including advanced high-strength steel, aluminum and magnesium
- Improves chassis and body durability by reducing fatigue and failure commonly found around spot welds and fasteners
- Seals against environmental conditions that cause corrosion
- Potential to lower cost by reducing welds and gauge, without losing mechanical properties
- Lab- and full-vehicle testing of new-generation, crash-resistant structural adhesives shows improved crash-resistant performance without any weight increase