... boron: 17% min, special for agricuture; used for making ceramics. Glazes, cements, wicks etc. Boric AcidFormula: ... water 39.1Uses: It is chemical used for making ceramics. Glazes, cements, wicks, food preservative, ... artificial precious stones; as flux in metallurgical industry, fire- proofing compositions and linings for safes; ... with me. P&B Industry and Agricultural Grade Boric Acid at high purity