Borax
1.borax:
CAS NO :1303-96-4
Byname: Sodium borate ,borascu ,decahydrate,Sodium tetraborate decahydrate
Appearance :White powder crystal
Molecular Formula :Na2B4O7·10H2O
Molecular Weight :381.37
UN NO 1458
2.Specification :
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% |
3.Uses :An Ore Of Boron And As A Source Of Borax (a Cleaning Agent And Useful Industrial Chemicals For Glasses, Ceramics, Enamel, MetallFor making ceramics, glazes, cements, wicks, food preservatives, special glasses; Also for leather dressing compounds for preparation of hides prior to tanning; Artificial precious stones; As flux in metallurgical industry, fire-proofing compositions and linings for safes; Also for pigments; Enamel paints, paper glazes, cosmetics, soaps, textiles, medicines, etc
4.Packing :
25kg in one net pp bag (or as customers' request ) |
Borax Manufacturer