Fast Epoxy Hardener, Half-Gallon - Mas Epoxies
Price: $91.51
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Part # 30-625
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MAS Epoxies

After mixing resin and fast hardener, you have 10 minutes to get it out of the cup and approximately 2 hours of open working at 70°F. Mix with appropriate MAS resins in a 2 parts resin to 1 part hardener ratio.

Storage Life: A minimum of 12 months in a sealed container at ambient temperatures.


  • New non-blushing formula.
  • Great in cooler temperatures or when you need a fast repair.
  • Superior secondary bond strength.
  • Blendable with slow or medium hardener for customized working and curing times.


  • Hardware Bonding
  • Spot Filling
  • Fairing
  • Structural Tabbing
  • Repair Laminations
  • Wet-Out of Reinforcing Fabrics

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Color (Gardner) 2 Temperature Resin/Fast
Mix Ratio 2:1 Resin to Hardener Fahrenheit Pot Life Thin Film Set Full Cure
Viscosity @ 77° F 250 cps 95° 3.5 min 1 hr 1 day
Specific Gravity @ 77° F 1.08 86° 5.3 min 1.5 hrs 1.5 days
Flash Point (closed cup) 250° F 77° 7 min 2 hrs 2 days
Mixed Viscosity w/ MAS Resin @ 77° F 550 - 650 cps 68° 10.5 min 3 hrs 3 days
Peak Exotherm (100mg mix @ 77° F) 370° F 59° 14 min 4 hrs 4 days

'MAS Epoxies are the most advanced, high performance and user-friendly epoxy formulas in the world. We support all our products with knowledgeable, easy to reach staff, and provide a 100% money-back guarantee. Contact Mas Epoxies at 1-888-627-3769'

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