Acide Oxalique - oxalic acid - 1kg - Matt Chem

The result obtained after treatment will however greatly depend on the species of wood to which the treatment is applied as well as the quality of the color that has been applied to the wood... Oxalic acid is a toxic product which must be handled with great care. You must wear rubber gloves and eye protection. Use : Dissolve oxalic acid in hot water at the rate of 200 g per liter. With gloves, pass the product using a nylon brush or sponge on the wood. Leave to act for about 2 hours. Rinse thoroughly with clean water. Leave to dry for 24 hours.