

⚡ Fast, flawless, and professional-grade epoxy hardener for the makers who mean business.
Pro Glas Epoxy Hardener 4:1 Fast Quart is a professional-grade curing agent designed for use with 1300 Resin. It features a low viscosity formula with a quick 10-15 minute gel time and a full set in 4 hours at 77°F. Ideal for demanding applications like marine construction, aerospace tooling, and vacuum bagging, it offers a precise 4:1 mix ratio and a low odor, low to moderate toxicity profile for safer, efficient use.
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