Accelerate your finishing process.
Osmo Hardener for Oil Stain is a special clear polyisocyanate additive designed to significantly reduce the drying times of Osmo Oil Stain. By mixing this hardener into your oil stain, you’ll achieve faster results without compromising on coverage or finish.
✅ Shortens drying times to approx. 3–4 hours (at 23 °C / 50% relative humidity)
✅ Easy to use – simply 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
How to use:
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Add the full 0.06 L tin of hardener to 1 L of Osmo Oil Stain and stir thoroughly.
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Once mixed, the pot life is reduced to 60 minutes, so only mix what you can apply within 45 minutes.
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Apply as normal following the Osmo Oil Stain instructions.
Cleaning:
Use Osmo Brush Cleaner (free of aromatic compounds).
Size: 0.06 L
Colour tone: Clear (6631)
Datasheets