MAS Epoxies Medium Hardener is a polyamine blend intended for moderate reactivity and resistance to amine blushing. Features: Optimized for composite wet lay-up, hardware and secondary bonding, moisture-exclusive coating and surface fairing Gels and sets quickly enough to avoid draining and sagging while still allowing ample flow time for controlled application periods Especially useful when "overnight" sandability is more important than continuous laminating and open time Moderate pot life, gel, and thin film set times provide advantages when fileting and fairing Provides a smooth, void-free finish with great resistance to milking-out during application and fogging in critical clear-coating applications Cure speed may be adjusted by the addition of MAS Fast or MAS Slow hardeners Handling characteristics: Mix ratio: (2) parts resin : (1) part hardener 15 Minute pot life 3 Hour working time at 70° F Compatible with MAS Epoxies Pump Set for Resins & Hardeners (30-016) Safety Data SheetAvailable Options Manufacturer Part Number Size 30-516 Pint 30-532 Quart 30-564 1/2 Gallon
