MAS Fast Epoxy Hardener Gallon size
  • MAS Fast Epoxy Hardener Gallon size

MAS Fast Epoxy Hardener

MAS Fast Epoxy Hardener is a non-blushing room temperature rapid hardener for use with MAS Epoxy Resins.

It can also be used as an accelerator for the MAS Slow or Medium Hardeners when customized cure times are required. Applications for Fast include: bonding hardware, spot filling, and fairing. Additionally, the superior bonding strength of Fast formulas is ideal for high strength secondary bonding applications such as structural tabbing and repair of laminations. The rapid cure time of Fast allows overnight curing in low temperature conditions.

We do not recommend mixing more than 5 oz. of formula unless rapid application techniques are incorporated. An induction time of 1-2 minutes is recommended prior to application of formula. Always maintain a 2:1 ratio of resin:hardener.

Available in Pint, Quart, Half Gallon, Gallon, 4 Gallon, and 5 Gallon sizes.

$29.21 / pt
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Tech Spec Product Info User Generated Content
    Technical Specifications
  • Viscosity at 77 degrees F: 250cp
  • Specific Gravity at 77 degrees F: 1.08
  • Flash Point (closed cup): 250 degrees F
  • Mix Ratio: 2:1 Resin to Hardener
  • Mixed Viscosity at 77 degrees F: 550-650 cps
  • Pot Life at 77 degrees F: 7 minutes
  • Thin Film Set Time at 77 degrees F: 2 hours
  • Full Cure: 2-5 Days
  • Peak Exotherm: 370 degrees F
    • Performance
  • Flexural Strength: 15,870 psi
  • Flexural Modulus: 355,000 psi
  • Tensile Strength: 6,7000 psi
  • Tensile Modulus: 390,000 psi
  • Use protective gloves when working with this product. Use soap and water or white vinegar to clean your hands. Use Denatured Alcohol to clean your tools.

    Material: Epoxy
    Rate Of Cure: Fast
    Type: Hardener
    4.0 1

    MAS Fast Epoxy Hardener


    Have been refinishing/relaminating a 1969 dune buggy build from inferior resins and chopped fiberglass mat. The MAS epoxy products produce an excellent bond and are pretty easy to use. Issues with inconsistent "kick" times may be the result of my own errors with measuring, but I'm pretty careful...


    Tuscaloosa, AL

    MAS Fast Epoxy Hardener



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