Description
Accelerate your finishing process with the Osmo Hardener for Oil Stain 6631. This special clear polyisocyanate additive reduces drying times significantly without compromising coverage or finish.
- Shortens drying times to approx. 3–4 hours (at 23 °C / 50% relative humidity)
- Easy to use – mix into 1L of Osmo Oil Stain (or 6% when mixing smaller amounts)
- No change in coverage – performance of Oil Stain remains the same
- Professional results – ideal when quicker turnaround is required
- Simply mix and apply as per Osmo Oil Stain instructions
Technical Data
| Size: | 0.06 L |
| Colour tone: | Clear (6631) |
| Pot life: | Reduced to 60 minutes after mixing |
Includes
- 1x Osmo Hardener for Oil Stain 6631 (0.06 L)

