GlassCast GlassCast 3 Deep Pour Epoxy — Mix Ratio & Calculator
Data sourced from manufacturer SDS & TDS · Last verified September 01, 2026
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Quick Answer
GlassCast GlassCast 3 Deep Pour Epoxy mix ratio: 2:1 by volume, 2:0.86 by weight
Max pour depth: 3.0" · Full cure: 72h · Ideal temp: 72°F · Price: $80–$180/gal
⚠️ Exothermic Risk — The weight ratio (2:0.86) 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.
Ultra-clear deep pour epoxy for casting up to 3 inches in a single pour. Water-thin viscosity ensures exceptional bubble release and deep penetration into voids. Designed for river tables, large art pieces, and thick encapsulation projects.
| Volume Mix Ratio (A:B) | 2:1 |
| Weight Mix Ratio (A:B) | 2:0.86 — use this for scale mixing |
| Max Pour Depth | 3.0" / 75mm |
| Ideal Temperature | 72°F |
| Full Cure Time | 72 hours |
| Viscosity | 250 cps |
| Coverage | 6 sq ft/gal |
| Average Price | $80–$180/gal (Deep Pour Casting market avg, 2026) |
Safety Note
The weight ratio (2:0.86) 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.
The weight ratio (2:0.86) 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.