industrial grade Oxalic Acid 99.6% for leather 2.Competitive price 3.A reliable Partner 4.Shipment ... .08%Max0.10%Max0.20%MaxUseage : Pharmaceutical industry,precipitating agent of rare earth elements,bleaching,metal and marble polish,cleanser ... ,tanning industry,printing and dyeing catalytic agent,anti-shrinkage finishing of paper,manufacturing oxalates. industrial grade Oxalic Acid 99.6% for leather