LORD® 7542-A/B Urethane Adhesive for Sign Applications | #LORD 7542-A/B for Sign


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LORD 7542-A/B for Sign

LORD® 7542-A/B Urethane Adhesive for Sign Applications | #LORD 7542-A/B for Sign

LORD® 7542-A/B adhesive for sign applications 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.


Technical Specifications

  • Trade Name: LORD 7542-A/B Urethane Adhesive for Sign Applications
  • Mix Ratio: 1:1
  • Color: Dark Brown Liquid (resin), Tan, Black or Green Liquid (curative)
  • Dynamic Viscosity: 1500 to 4500 cP @ 77°F (25°C) (resin), 7000 to 14000 cP @ 77°F (25°C) (curative)
  • Density: 11.45 to 11.75 lb/Gal (resin), 1372 to 1408 Kg/m3 (resin), 10.3 to 10.6 lb/Gal (curative), 1234 to 1270 Kg/m3 (curative)
  • Flash Point: > 200 °F (resin), > 93 °C (resin), > 200 °F (curative), > 93 °C (curative)
  • Percent Solids by Weight: 100
  • Specifications Met: UL-Approved
Safety Warning

Item Information

LORD® 7542-A/B adhesive for sign applications 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.

Features and 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 – UL 746C certified.

Shelf Life/Storage:

Shelf life is six months when stored in a clean, dry environment at 65-85°F (18-30°C) in original, unopened container. 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.

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