Shanghai Yixin Chemical Co., Ltd.
| Payment Terms | L/C, T/T |
| Supply Ability | 2000-3000 Tons per Month |
| Delivery Time | within 7 days |
| Packaging Details | 25kgs/bag, 1200kgs/bag |
| Product Name | CAS 12179-04-3 White Granular Na2B4O7.5H2O for Glassware |
| CAS No | 12179-04-3 |
| EINECS No | 215-540-4 |
| HS Code | 2840190000 |
| Chemical Formula | Na2B4O7.5H2O |
| Key Word | borax pentahydrate |
| Appearance | white granular |
| Other Name | disodium tetraborate pentahydrate |
| Brand Name | ETiMADEN |
| Model Number | ETiBOR-48 |
| Certification | SGS |
| Place of Origin | Turkey |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 2000-3000 Tons per Month |
| Delivery Time | within 7 days | Packaging Details | 25kgs/bag, 1200kgs/bag |
| Product Name | CAS 12179-04-3 White Granular Na2B4O7.5H2O for Glassware | CAS No | 12179-04-3 |
| EINECS No | 215-540-4 | HS Code | 2840190000 |
| Chemical Formula | Na2B4O7.5H2O | Key Word | borax pentahydrate |
| Appearance | white granular | Other Name | disodium tetraborate pentahydrate |
| Brand Name | ETiMADEN | Model Number | ETiBOR-48 |
| Certification | SGS | Place of Origin | Turkey |
| High Light | Technical Grade Borax Pentahydrate ，CAS 12179-04-3 Borax Pentahydrate ，Glass Making Borax Pentahydrate | ||
Technical Grade White Granular Borax Pentahydrate, CAS 12179-04-3 ETiBOR-48 Disodium Tetraborate Pentahydrate for Glass Making
1. Borax Pentahydrate Introduction
Borax pentahydrate, also known as disodium tetraborate pentahydrate, is a crystalline form of borax composed of sodium, boron, oxygen, and water molecules. It is chemical formula is Na2B4O7.5H2O. Borax pentahydrate boron content is about 15% and boron oxide content is more than 48%. Borax Pentahydrate is commonly used in various industrial and household applications due to its unique properties. It is known for its role as a cleaning agent, as a flux in welding, as a buffering agent in chemical laboratories, and even as a component in some cosmetics and pharmaceuticals. Its ability to dissolve in water and form alkaline solutions makes it versatile for a range of uses. With its distinctive properties and wide-ranging applications, borax pentahydrate plays a significant role in numerous industries and daily activities.
| Product Name | Technical Grade White Granular Borax Pentahydrate |
| Cas No. | 12179-04-3 |
| Einecs No | 215-540-4 |
| Formula | Na2B4O. 5H2O |
| M.W | 291.35 |
| Density | 1.815g/cm3 |
| HS Code | 2840190000 |
| Package | 25kgs / 1200KGS PP Bags |
| Application | glass making |
2. Borax Pentahydrate Specifications
| Component | Content |
| B2O3 | 48.00-49.35% |
| Na2B4O7.5H2O | 100.42-103.24% |
| Na2O | 21.37-21.95% |
| SO4 | 135ppm max |
| Cl | 70ppm max |
| Fe | 3ppm max |
| Insolubles in water | 150ppm max |
| Particle size specifications | |
| Size | Content |
| +1.180mm | 4.00% max |
| -0.075mm | 5.00% max |
3. Borax Pentahydrate Functions in Glass Making
Borax pentahydrate is a source of boric oxide (B2O3) for many products, including insulation fiber glass, textile fiber glass, and borosilicate glasses. Borax pentahydrate also provides a source of sodium and is used in combination with boric acid when it is necessary to control the sodium to boron ratio in glass.
Borax pentahydrate controls glassmaking melt and influences the final product properties. In fiber glass, borax pentahydrate assists fiberizing and gives durability in use while decreasing thermal emissivity. In borosilicate glass, borax pentahydrate gives a low coefficient of thermal expansion (thus providing resistance to heat and thermal shock) and improves chemical durability.
In the realm of glass making, borax pentahydrate serves as a crucial ingredient due to its unique properties that enhance the manufacturing process and the quality of the final product.
2. Improving Transparency: Glass made with borax pentahydrate has higher transparency and is suitable for various optical applications.
4. Borax Pentahydrate Pictures
5. Packing and Shipping
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Importer,Exporter,Seller
Year Established:
1998
Total Annual:
3,000,000-6000000
Employee Number:
10~100
Ecer Certification：
Verified Supplier
Since it is established in 1998, Shanghai Yixin Chemical Co., Ltd has become a reliable player in the field of chemical industry. Currently, overseas business of our company is composed of two sectors, basic inorganic raw chemicals and fine chemicals. Through our team's concerted efforts, ... Since it is established in 1998, Shanghai Yixin Chemical Co., Ltd has become a reliable player in the field of chemical industry. Currently, overseas business of our company is composed of two sectors, basic inorganic raw chemicals and fine chemicals. Through our team's concerted efforts, ...
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