Isomat Isomat AK Microcement — Mix Ratio & Calculator
Data sourced from manufacturer SDS & TDS · Last verified September 01, 2026
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Quick Answer
Isomat Isomat AK Microcement mix ratio: 4:1 by volume, 4:0.88 by weight
Max pour depth: 0.125" · Full cure: 24h · Ideal temp: 68°F · Price: $90–$200/gal
⚠️ Exothermic Risk — The weight ratio (4:0.88) 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.
Two-component microcement system for floors and walls. Excellent adhesion to concrete, tile, and wood substrates. Waterproof when sealed.
| Volume Mix Ratio (A:B) | 4:1 |
| Weight Mix Ratio (A:B) | 4:0.88 — use this for scale mixing |
| Max Pour Depth | 0.125" / 3mm |
| Ideal Temperature | 68°F |
| Full Cure Time | 24 hours |
| Viscosity | N/A cps |
| Coverage | 45 sq ft/gal |
| Average Price | $90–$200/gal (Microcement market avg, 2026) |
Safety Note
The weight ratio (4:0.88) 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 (4:0.88) 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.