LORD 7550A Urethane Adhesive
Harmonization Code : 3907.30.00.15 | Epoxide resin, halogen-free
Main features
- Equal-Mix LORD 7550 Resin Component
- 1,800 to 4,000 cP Viscosity
- Lexan, ABS, and Primed-Metal Bonding
Product Description
LORD® 7550A Urethane Adhesive Resin is the resin component of the equal-mix LORD 7550 two-component clear urethane adhesive system. When combined 1:1 by volume with LORD 7550C curative, the system bonds Lexan, ABS, polycarbonate, other plastics, and properly prepared and primed metals. The clear-to-yellow liquid resin has a typical viscosity of 1,800 to 4,000 cP at 25°C. The mixed adhesive is self-leveling, has a typical working time of three to five minutes, reaches handling strength in approximately 60 minutes, and cures to full strength in about 72 hours at room temperature.
Key features
- LORD 7550 resin component: LORD 7550A is mixed 1:1 by volume with LORD 7550C curative.
- Low-viscosity liquid resin: Typical component viscosity is 1,800 to 4,000 cP at 25°C.
- Clear urethane bonding system: The paired system is documented for plastics and properly prepared and primed metals.
Applications / Suitable for
- Resin component of the LORD 7550 urethane adhesive system
- Bonding Lexan, ABS, polycarbonate, and other plastics
- Bonding properly prepared and primed metals
TDS, SDS & Technical Documents
Technical Specifications
General Properties
Physical Properties
Thermal Properties
Additional Information
As-supplied / before-processing properties
Typical as-supplied or mixed-state values unless otherwise stated. These values are not sales specifications.
| Property | Value | Unit | Method / condition |
|---|---|---|---|
| Component role | Resin | N/A | LORD 7550A |
| Appearance | Clear to clear-yellow liquid | N/A | As supplied |
| Viscosity | 1,800 to 4,000 | cP | At 25°C |
| Density | 1,150 to 1,174 | kg/m³ | As supplied |
| Flash point | >93 | °C | Closed cup |
| Shelf life | 6 | months | At 21°C to 27°C in the original unopened container |
