Description
LORD 7550 is a two-component, clear urethane adhesive ideal for bonding a variety of plastics (Lexan, ABS, polycarbonate), primed metals, and more. This self-leveling adhesive flows into hard-to-reach spaces, making it perfect for tight tolerances and intricate assemblies.
Features:
- Optically Clear & Non-Yellowing: Creates invisible, aesthetically pleasing bonds
- Self-Leveling: Ensures complete coverage and strong adhesion, even in challenging areas
- UV, Weather, & Chemical Resistant: Withstands harsh environments and cleaning processes
- Environmentally Friendly: Contains no ozone-depleting chemicals
- Non-Flammable: Safer to use and store
Ideal for:
- Trimcap & Letter Track Bonding
- Aesthetic Assemblies
- Potting & Encapsulation
- Applications requiring a strong, clear, and durable bond
Typical Properties
| 7550-A Resin | 7550-C Curative | |
| Appearance | Clear Liquid | Clear Liquid |
| Viscosity, cP @ 77°F (25°C) | 1800 – 4000 | 6000 – 12,500 |
| Density, lb/gal ((kg/m^3) | 9.6-9.8 (1150-1174) | 9.0-9.4 (1078-1126) |
| Flash Point (Closed Cup), °F (°C) | 200 (>93)”}”>>200 (>93) | 200 (>93)”}”>>200 (>93) |
Typical Properties* of Resin Mixed with Curative
| Mix Ratio by Volume, Resin to Curative | 1:1 |
| Solids Content by Weight, % | 100 |
| Working Time, min @ 75°F (24°C) | 3-5 |
| Purge Time, min @ 75°F (24°C) | 2-3 |
| Time to Handling Strength, min @ 77°F (25°C) | 60 |
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