FOB Price
Get Latest Price350 / Metric Ton ( Negotiable )
|Minimum Order
Place of Origin:
-
Price for Minimum Order:
Minimum Order Quantity:
27 Metric Ton
Packaging Detail:
bags, net weight 25 kg a bag.
Delivery Time:
15 days
Supplying Ability:
60000 Metric Ton per Month
Payment Type:
T/T
South Africa
連絡先担当者 TSHEPO
148 ZAMBESI AVENUE, PRETORFIA, GAUTENG
Executive standard :Enterprise standard
English name :Sodium borate
Chemical name :Sodium tetraborate
CAS RN :********4
1.Physical and chemical properties:
1.1 Molecule formula : Na2B4O7
1.2 Molecule weight : **1.*2
1.3 Melting point : **2.5°C(for orthorhombic crystal A) **4°C (for orthorhombic crystal B)
1.4 Density : 2.*8 (A orthorhombic crystal) (B orthorhombic crystal)
1.5 Properties : Its hygroscopicity is extremely strong. It is dissolved in water. It can be slowly dissolved in methanol and formed a solution of ****6% concentration
2. Technical indexes:
Term |
Index |
Content of sodium borate,% |
≥****8 |
Sodium oxide % |
≥*0 |
Diboron trioxide% |
≥****8 |
3.Uses :
Sodium Borate is mainly used in the manufacturing high quality glass, optical glass, glaze of pottery and
porcelain, glaze of enamel, detergent, bleaching agent, cleaning agents, flame retardant, rust inhibitor and caking agent,It could be also used as the supporter of the lubricant used in metal wiredrawing, the stabilizer and skeleton former in refractory material, the wraping-flux in metallurgy, the set tetarder of cement and concrete, the buffer of PH value in water system and emulsifier of paraffin.