... 2.borax for food 3.COA,ISO,SGS 4.borax 99.5,99,95 ApplicationDisinfectant, fresh water, soft, antiseptic, additive, the eye of ... %Min99.5%MinContent of Na2B4O7.10H2O:95%99.50%Carbonate Content:0.3%Max0.1%MaxInsoluble:0.04%Max0.04%MaxSulfate Content:0.2% ... :0.05%Max0.03%MaxIron Content:0.002%Max0.002%MaxStorageput it in a cool, dry place, rainproof, moistureproof. Borax Decahydrate95%,99.5%Min