Purity: 99.5%
CAS No.: 1303-96-4
Appearance: White powder
Molecular formula: Na2B4O7.10H2O
Appearance: White powder
Molecular formula: Na2B4O7.10H2O
HS Code: 2528100000
Classification: Chlorite
Packing: 25kg woven bag with polyethylene liner
Payment Term: T/T in advance or confirm L/C at sight
Delivery Time: within 15days after receiving the L/c or T/T
Payment Term: T/T in advance or confirm L/C at sight
Delivery Time: within 15days after receiving the L/c or T/T
Minimum order:20 metric ton
Usage:
Used in biochemical and chemical laboratories to make buffers. A mixture of borax and ammonium chloride is used as a flux when welding iron and steel. It is also uesd as food additive and in manufacture of putty, glass, pottery, enamel glazes and so on
Usage:
Used in biochemical and chemical laboratories to make buffers. A mixture of borax and ammonium chloride is used as a flux when welding iron and steel. It is also uesd as food additive and in manufacture of putty, glass, pottery, enamel glazes and so on
|
Items
|
Borax
|
|
Purity |
95% min |
|
Water Insolunle Matter |
0.04% max |
|
Carbonate |
0.2% max |
|
Sulphate |
0.2% max |
|
Chloride |
0.05% max |
|
Items
|
Borax
|
|
Na2B4O7 · 10H2O ≥%
|
99.5
|
|
CO2 ≤%
|
0.1
|
|
Water insoluble≤%
|
0.04
|
|
Sulphate as SO4≤%
|
0.1
|
|
Chloride as Cl≤%
|
0.03
|
|
Fe ≤%
|
0.002
|