7542 | LORD Urethane Adhesive
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.
Shelf life is six months when stored in a clean, dry environment at 65-85°F (18-30°C) in original, unopened container. Excluding LORD 7542-B Black curative and LORD 7542-C curative, prolonged exposure to temperatures below 50°F (10°C) during shipping or storage may cause variations in cured properties and/or significant reduction in shelf life.
After opening, protect adhesive from excessive exposure to moisture by installing desiccant cartridges and/or using dry nitrogen as an inert cover.
LORD 7542-D Curative Properties
Data is typical and not to be used for specification purposes
Appearance: Tan Liquid
Viscosity cP @ 77°F (25°C): 5000 - 14,000
Density, lb/gal (kg/m3): 10.3-10.6 (1234-1270)
Flash Point, °F (°C) Closed Cup: >200 (>93)
Work Time, minutes @ 75°F (24°C): 20 - 30
Time to Handling Strength, @ 75°F (24°C): 3
Cure Time, hour: 24 or less
Mixed Solids Content by Weight, %: 100
LORD 7542-E Curative Properties
Data is typical and not to be used for specification purposes
Appearance: Tan Liquid
Viscosity cP @ 77°F (25°C): 5000 - 18,000
Density lb/gal (kg/m3): 10.3-10.6 (1234-1270)
Flash Point, °F (°C) Closed Cup: >200 (>93)
Work Time, minutes @ 75°F (24°C): 50 - 60
Time to Handling Strength, @ 75°F (24°C): 4
Cure Time, hour: 24 or less
Mixed Solids Content by Weight, %: 100
Features & Benefits
- Non-Flammable - does not require explosion-proof equipment.
- Environmentally Recommended - does not contain ozone depleting chemicals.
- Environmentally Resistant - resists weathering, humidity and salt spray.
- Chemically Resistant - solvent resistant when cured. Painting and most cleaning processes do not affect bond strength.
- UL Approved Adhesive - UL 746C certified.