How do I bleach wood products?
and then coated sodium bisulfite solution, repeat the above operation until the wood white. [PAGE]
Third, bleaching powder, it has the following two methods of use. 1, the first dubbed 5% potassium carbonate and sodium carbonate (1: 1) 1 liter of aqueous solution
then add 50 grams of bleaching powder, with this solution brush the surface of wood, to be bleached with 2% soapy water or dilute hydrochloric acid solution clear...
