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| HS Code | 151713 |
| Chemical Name | Sodium tetraborate decahydrate |
| Common Name | Borax |
| Chemical Formula | Na2B4O7·10H2O |
| Appearance | White crystalline solid |
| Molar Mass | 381.37 g/mol |
| Solubility In Water | Moderately soluble |
| Melting Point | 743°C (decomposes) |
| Density | 1.73 g/cm³ |
| Odor | Odorless |
| Ph | 9.3 (1% solution) |
As an accredited Borax factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | A sturdy white plastic container labeled "Borax, 1 kg," features safety warnings, chemical details, hazard symbols, and a secure screw cap. |
| Shipping | Borax should be shipped in tightly sealed containers to prevent moisture absorption. Store and transport in a cool, dry, well-ventilated area, away from incompatible substances such as strong acids. Borax is not classified as hazardous for transport, but standard precautions for chemical shipments should be followed to avoid spills and contamination. |
| Storage | Borax should be stored in a tightly sealed container in a cool, dry, and well-ventilated area away from moisture and incompatibles such as strong acids. Keep the storage area clearly labeled and protected from direct sunlight and physical damage. Store away from food and drink to prevent contamination, ensuring the area is inaccessible to children, pets, and unauthorized personnel. |
As an established borax producer, we supply high-purity grades for critical industrial processes across select manufacturing sectors. Each application below reflects proven integration in mass production, strict adherence to compliance frameworks, and consistent supply for large-scale downstream customers worldwide.
Borax functions as a vital fluxing agent, facilitating lower melting temperatures and controlling thermal expansion in both glass and ceramic formulations. By adjusting the sodium borate content, manufacturers tailor viscosity and chemical durability in the melt phase, leading to defect-free transparent, colored, or opacified glass, as well as stable ceramic glazes. Borax inclusion helps ensure surface smoothness, improved workability, and enhanced finished product endurance throughout demanding production cycles in float glass, bottles, engineered tiles, and specialty tableware.
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In large-scale detergent plants, borax acts as a multifunctional builder and pH buffer, enhancing cleaning power and stain removal while inhibiting enzymatic and microbial degradation in finished powders and liquids. Its inclusion allows stable formulation of high-alkalinity products while reducing caking and hard water interference. Leading brands specify technical grades for flowable powders, liquid concentrates, and automatic dishwashing tabs to maximize throughput and minimize downtime due to formulation inconsistency or undesired by-product formation.
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Borax is extensively applied in non-ferrous metallurgy as a slag former, protective covering, and refining agent for metals such as aluminum, copper, and precious alloys. Operators exploit its molten phase ability to dissolve metallic oxides and prevent oxidation during melting, casting, and alloy homogenization. Consistent feedstock addition improves yield, achieves lower process temperatures, and supports surface finish by limiting inclusions and porosity in finished components, as validated in technical-grade borax supplied under long-term supply contracts to metallurgical refineries and foundries.
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Plant nutrition specialists incorporate borax as the principal source of boron for blending in compound and foliar fertilizers, targeting boron-deficient soils and critical boron-demanding crops. Producers calibrate the dosage for crop species and soil test data, avoiding toxicity while supporting root growth, pollen viability, and fruit development. Granular borax enables homogeneous dispersion in blended NPKs and controlled-release formulations for reliable nutrient availability throughout the growing cycle. Extensive studies and decades of open-field application guide these usage parameters to safeguard both yield and crop quality.
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Producers of specialized industrial adhesives and construction chemicals add borax decahydrate to modify gelation, improve fire resistance, and optimize the cross-linking of starch- and dextrin-based binders. In this application, construction product formulators rely on borax to deliver consistent viscosity, enhanced bonding strength, and targeted gypsum or cellulose performance, meeting demanding indoor air quality regulations and safety standards. The direct action of decahydrate on molecular structure drives superior adhesion and prolonged open time, underpinning reliable panelboard and wallboard production.
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Borax is utilized in engineered flame retardant packages for cellulosic and thermoplastic polymers, particularly in the manufacture of textiles, insulation, and wire coatings. Its inclusion stabilizes the char structure, suppresses afterglow, and reduces the emission of toxic gases during combustion. Formulators select precise doses for synergistic effect with antimony trioxide and phosphate compounds, ensuring materials pass stringent flammability and smoke density standards required in public and industrial buildings, mass transit, and electrical assemblies.
Industry compliance standards
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Competitive Borax prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615371019725 or mail to admin@sinochem-nanjing.com.
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Tel: +8615371019725
Email: admin@sinochem-nanjing.com
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