Description
LORD® 7542 adhesive is an equal-mix, two-component urethane adhesive system used to bond FRP, SMC and other plastics with little surface preparation. This adhesive will also bond primed metals. LORD 7542 adhesive system is available in a range of working times to accommodate a wide variety of process requirements.
Features and Benefits
• Non-Flammable – does not require explosion-proof equipment.
• Environmentally Friendly – does not contain ozone-depleting chemicals.
• Environmentally Resistant – resists sunlight, weathering, humidity, and salt spray.
• Chemically Resistant – solvent resistant when cured. Painting and most cleaning processes do not affect bond strength.
| Typical Properties of Resin Mixed with Curative | |||
| 7542-A/B | 7542-A/C | 7542-A/D | |
| Mix Ratio by Volume, Resin to Curative | 1:1 | 1:1 | 1:1 |
| Solids Content by Weight, % | 100 | 100 | 100 |
| Working Time, minutes @ 75°F (24°C) | 4-7 | 11-15 | 20-30 |
| Time to Handling Strength, hours @ 75°F (24°C) | 1-2 | 2 | 3 |
| Typical Properties | ||||
| 7542-A Resin | 7542-B Curative | 7542-C Curative | 7542-D Curative | |
| Appearance | Dark Brown Liquid | Tan, Black, or Green Liquid | Tan Liquid | Tan Liquid |
| Viscosity, cp @ 77°F (25°C) | 1500-4500 | 7000-14,000 | 4000-14,000 | 5000-14,000 |
| Density, lb/gal (kg/m^3) | 11.45-11.75 (1372-1408) | 10.3-10.6 (1234-1270) | 10.3-10.6 (1234-1270) | 10.3-10.6 (1234-1270) |
| Flash Point, °F (°C) | 200 (>93)”}”>>200 (>93) | 200 (>93)”}”>>200 (>93) | 200 (>93)”}”>>200 (>93) | 200 (>93)”}”>>200 (>93) |
| Pak-50 | Pak-200 |
Pak-50 Gun  |
Newborn VR200XSP Dispensing Gun  |
 TAH 190-620 Static Mixer |
 TAH 160-824 Static Mixer |
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