Osmo Hardener for oil stain serves as an additive for Osmo hardwax oil 3332, 3362 etc. to dry quickly. The drying time of 24 hours is reduced to only 2 to 3 hours by simply pouring the contents of the hardener into a 2.5 liter can of hardwax oil and by stirring well before applying.
Hardener for Hardwax Oil Express
Special hardener for the Hardwax Oil Express - reduces the drying time!