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Our white crystalline Anhydrous Sodium Tetraborate Powder with ≥99.5% purity, containing ≥31% Na₂O and ≥68.5% B₂O₃. It is widely used as key raw material in glass, ceramics, detergents and metallurgy for fluxing, cleaning and refining applications.
Cas No. :
1330-43-4Molecular Formula :
Na2B4O7Density :
2.37 g/cm³Melting point :
741℃Grade :
Industrial-gradePacking :
25kg per bagApperance :
White PowderBasic information
White crystalline sodium tetraborate with density 2.37g/cm³, melting point 741℃. High purity ≥99.5%, low impurities, widely used in glass manufacturing, ceramics, detergents and metallurgical applications as a key boron source.
Specification

1: Acts as fluxing agent in glass/ceramic production, lowers melting temperature and improves product strength, gloss and thermal stability effectively.
2: Used in industrial detergent formulations, functions as water softener and buffering agent to enhance cleaning efficiency.
3: Serves as flux in metal processing, removes oxides and impurities, improving metal surface quality and casting performance.
4: Provides high-purity boron source for chemical synthesis, manufacturing of boron compounds, fertilizers and other industrial products.
Factor
y
FAQ
Q: Are you trading company or manufacturer?
A: We are factory.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. Or it is 15-20 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
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