Gurit Gurit SP 106 Epoxy — Mix Ratio & Calculator
Data sourced from manufacturer SDS & TDS · Last verified July 18, 2026
Quick Answer
Gurit Gurit SP 106 Epoxy mix ratio: 5:1 by volume, 5:0.86 by weight
Max pour depth: 0.5" · Full cure: 24h · Ideal temp: 72°F
⚠️ Exothermic Risk — The weight ratio (5:0.86) 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.
Professional marine repair epoxy from Gurit, the industry leader in composite materials for boat building. SP 106 is a versatile multi-purpose epoxy system for boat construction, repair, and maintenance. Excellent for GRP repair, timber restoration, and general marine bonding. Compatible with all standard fillers for fairing and filleting. Used by professional boatyards worldwide.
| Volume Mix Ratio (A:B) | 5:1 |
| Weight Mix Ratio (A:B) | 5:0.86 — use this for scale mixing |
| Max Pour Depth | 0.5" / 12mm |
| Ideal Temperature | 72°F |
| Full Cure Time | 24 hours |
| Viscosity | 650 cps |
| Coverage | 14 sq ft/gal |
The weight ratio (5:0.86) 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.