Oxalic Acid 99.6% Granular Wood Bleaching Deck Restoration Cleaning Granule

Oxalic Acid 99.6% Granular Brighten timber and restore weathered decks by lifting tannin and rust stains GRANULAR 1-3 MM | ASSAY ≥99.6% | LOW DUST Oxalic Acid 99.6% granular (ethanedioic acid) is a favourite for wood care. Dissolved in warm water it acts as a bleaching and chelating agent that removes the grey, iron and tannin staining that builds up on exterior timber, helping to restore a clean, even wood tone before re-oiling or staining. Specifications CAS No. 144-62-7