Molecular Formula: Na2B4O7·10H2OMolecular weight: 381.36 Quality Standards: ITEM | Specification | Premium grade | First grade | Sodium Borate 10 Hydrous (Na2B4O7·10H2O)%≥ | 99.5% | 95.0% | Sodium carponate (Na2CO3) % ≤ | 0.1% | 0.2% | Insoluble matter in water % ≤ | 0.04% | 0.04% | Sodium Suitate (Na2SO4) % ≤ | 0.1% | 0.2% | Sodium Chloride (NaCl) % ≤ | 0.03% | 0.05% | Iron (Fe) % ≤ | 0.002% | 0.005% |
Properties: White powder crystal, specific weight 1.69-1.73, hardness 2-2.5. It is soluble in water, in soluble in alcohol and the solution indicating wealk baicity. When heated to 350-4.00℃, it loses the crystal water and changes into waterless borax, which feature sterilizing. It will do harm to one's health taking orally. Uses: An important material for glass, enamel, ceramics, nonferrous mental, metallurgical industry, etc. It can be used as a micro-element manure and disinfectant in agriculture, and it is also widely used in pharmaceutical industry. Borax is also a basic raw material for boride and high energy boron hyduide fuel. Packing: Packed in woven plastic bags lined with plastic bags of 25KG net each.
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