Overview
Washed albite powder is derived from albite, a sodium-rich feldspar mineral, through a washing process that removes impurities. This results in a high-purity product with consistent particle size, making it ideal for industrial applications. Albite itself is a common mineral in igneous rocks, and its processed form is valued for its sodium content and chemical stability. The washing process enhances the powder's quality by reducing iron and other contaminants, which is critical for applications like ceramics and glass where purity affects the final product's color and strength. The powder is typically white and fine-grained, ensuring easy integration into various manufacturing processes.
Physical and Chemical Properties
Washed albite powder is characterized by its high sodium oxide (Na2O) content, typically around 8-12%, and low iron oxide (Fe2O3) levels, often below 0.1%. Its molecular formula, NaAlSi3O8, reflects its composition as a sodium aluminosilicate. The powder is insoluble in water and most acids, contributing to its stability in diverse industrial environments. Key physical properties include a density of approximately 2.62 g/cm³ and a melting point between 1100-1200°C. These properties make it suitable for high-temperature processes like glass melting and ceramic firing. The powder's fine particle size, often ranging from 200 to 400 mesh, ensures uniform distribution in mixtures, enhancing product consistency.
Main Applications
Washed albite powder is extensively used in the ceramics industry as a flux, lowering the melting temperature of mixes and improving vitrification. It also enhances the mechanical strength and durability of ceramic products. In glass manufacturing, it serves as a source of sodium, reducing energy consumption during melting and improving the clarity of glass. Other applications include use in coatings and paints as a filler, where its whiteness and chemical inertness are advantageous. It is also employed in abrasives, welding electrodes, and as a soil conditioner in agriculture. The powder's versatility and low impurity levels make it a preferred choice across multiple industries.
Safety and Storage
While washed albite powder is non-toxic, prolonged inhalation of fine particles may cause respiratory irritation. Workers handling the powder should use dust masks and ensure adequate ventilation. Skin contact is generally safe but may cause dryness; gloves are recommended for prolonged exposure. Storage conditions are straightforward: the powder should be kept in a dry, cool place, away from moisture to prevent clumping. Bulk storage in sealed bags or containers is ideal. Proper handling and storage ensure the powder retains its quality and effectiveness over time.
B2B Procurement Guide
When procuring washed albite powder, buyers should prioritize purity, typically measured by sodium oxide content and iron levels. Specifications like particle size (mesh) should align with the intended application, as finer powders are preferable for coatings, while coarser grades may suit ceramics. Supplier reliability is critical; request certificates of analysis (CoA) to verify quality. Pricing varies based on purity, volume, and supplier location, with bulk purchases often attracting discounts. Logistics considerations include packaging (bags or bulk) and transportation costs, especially for international shipments.
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