MAS MAS Flag Epoxy Resin — Mix Ratio & Calculator
Data sourced from manufacturer SDS & TDS · Last verified September 01, 2026
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 · Price: $70–$140/gal
⚠️ 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 Depth | 0.25" / 6mm |
| Ideal Temperature | 75°F |
| Full Cure Time | 18 hours |
| Viscosity | 550 cps |
| Coverage | 14 sq ft/gal |
| Average Price | $70–$140/gal (Marine & Structural market avg, 2026) |
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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