Soluble Boron 20% - Di Sodium Octaborate Tetra Hydrate We are offering one of finest qualities soluble boron for drip & foliar application containing more than 20% guaranteed. On ab average B element available in our soluble boron is 20.8% purity as Na2B8O13. 4H2O is 99.6%, B2 O3 67.6%. Borax Penta Hydrate - Appearance - White Crystalline powder B2 O3 - 47.3%, B - 14.4 % min, Na2O - 21.1%, Packing - 25kg PE bags |