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Borax is a hydrated borate mineral with the mf Na₂B₄O₇・10H₂O and mw 381.37. It occurs naturally in salt lakes or boron ores. Industrially produced by processing boron ores. Its aqueous solution is alkaline and possesses cleaning and stain-removing properties. At elevated temperatures, borax dissolves oxides on metal surfaces. When heated, it melts into transparent sodium borate decahydrate beads capable of dissolving certain metal oxides, exhibiting characteristic colors.
| Item | Specification |
| Melting point | 75°C |
| Boiling point | 320°C |
| Density | 1.73 g/mL at 25°C (lit.) |
| Bulk Density | 750 kg/m³ |
| Vapor Pressure | 0.213 hPa (20°C) |
| Solubility | Freely soluble in water with exothermic reaction; slightly soluble in ethanol; insoluble in acids and organic solvents. |
Industrial Manufacturing Applications:
– Used in producing heat-resistant glass, optical glass, and borosilicate glass to enhance thermal stability, transparency, and mechanical strength.
– Serves as a fluxing agent to lower the melting point of ceramic glazes, enabling rapid melting and smooth, even glaze coverage while improving color stability.
– As a detergent and cleaning agent, used in industrial cleaners, laundry powders, and liquid detergents.
– Added to plastics, rubber, and fibers to enhance flame retardancy and heat resistance.
Agricultural Production:
– As a boron fertilizer raw material, supplements boron essential for plant growth, promotes flowering, pollination, and fruit development, and prevents boron deficiency in crops.
– At low concentrations, it can control crop diseases like wheat rust and cucumber downy mildew, requiring strict dosage control.
Personal Care Sector:
– Used in toothpaste, mouthwash, and skincare products for gentle cleansing and antibacterial effects, must comply with relevant safety limits.
Jinan Jinbang Chemical Co., Ltd., strategically located within the New Materials Industrial Park in Tianqiao District, Jinan City, Shandong Province, stands as a prominent chemical innovator since its establishment in 2015. Operating from a modern, expansive 37,500 m² manufacturing facility, we are dedicated to the research & development, production, and global distribution of high-performance chemical solutions.
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