The hardener is a special, clear polyisocyanate hardening additive for Polyx®-Oil Express to reduce drying time.
Designed for use on oily and resinous timbers such at Matai, Spotted Gum, Kwila and Totara.
By adding the 150ml bottle of Hardener to a 2.5 litre can of Polyx®-Oil Express, the drying time will reduce to 1-2 hours depending on the ambienmt temperature and humidity. Pot life is approximately 90 minutes.
Hardener 6632 should not be added to normal Polyx®-Oil or other Osmo products.