Purity : 99% min Brand Name: HuanQiu Grade Standard : Food Grade, Industrial Grade Packaging & Delivery Packaging Detail : 25kg plastic bags(3layer pp&pe)Use: Mainly used in paper making, soap making, textiles, printing & dyeing, chemical fiber, pesticides, petro-chemical, medical and food industries. Delivery Detail : Within 25 days after the order confirmed Specifications: ITERM UNIT SPECIFICATION Result NaOH % ��9% Na2CO3 % ��.50% NaCl % ��.06% Fe2O3 % ��.004% INSOLUBLE SUBSTANCES CONFORM CONFORM ORGANIC COMPOUNDS CONFORM CONFORM FOOD CHEMICALS CODEX CONFORM CONFORM