• Description for 3M 3901

    A primer for film and liquid adhesives for improved metal and glass adhesion or improved resistance to environmental exposure with epoxy and urethane adhesives. Protects cleaned surfaces until bonding can be completed. Imparts improved corrosion protection to metal.

    *See Terms of Use Below

    Application Type Prime
    1 Part or 2 Part 1 Part
    Material Form Liquid
    Substrate Glass, Metal
    Manufacturer 3M
    Chemistry Methyl alcohol
    Cure Method Air dry, Solvent
    Viscosity (cPs) 3 to 7
    Color Red
    Density (g/cm³) 6.3 to 6.7 (weight (lbs/gal))
    Can Be Used In Conjunction With These Materials Epoxy, Urethane
  • Technical Data

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  • Best Practices

    *See Terms of Use Below

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  • Comparable Materials

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Viscosity Test Methods
Viscosity Test Method Temperature
3 to 7 cPs Brookfield, RVF, No. 1 spindle, 20 rpm at 80°F [27°C] 27°C