MAS MAS Flag Epoxy Resin — Mix Ratio & Calculator

Data sourced from manufacturer SDS & TDS · Last verified July 13, 2026

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Quick Answer

MAS MAS Flag Epoxy Resin mix ratio: 2:1 by volume, 2:0.93 by weight
Max pour depth: 0.25" · Full cure: 18h · Ideal temp: 75°F

⚠️ Exothermic Risk — The weight ratio (2:0.93) is NOT 1:1. Resin and hardener have different densities. Using a 1:1 scale ratio will result in incorrect curing. Always mix by weight using the ratio above.

Professional marine-grade epoxy with extended working time for large laminating and coating projects. Low viscosity for excellent cloth wet-out. Compatible with all standard hardeners. Outstanding moisture resistance for below-waterline repairs.

Volume Mix Ratio (A:B)2:1
Weight Mix Ratio (A:B)2:0.93 — use this for scale mixing
Max Pour Depth0.25" / 6mm
Ideal Temperature75°F
Full Cure Time18 hours
Viscosity550 cps
Coverage14 sq ft/gal
Safety Note
The weight ratio (2:0.93) is NOT 1:1. Resin and hardener have different densities. Using a 1:1 scale ratio will result in incorrect curing. Always mix by weight using the ratio above.

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Ratio 1:1 · 0.25" max · 24h cure