Overview
Brass sand is a granular material made from brass, an alloy of copper and zinc. It is widely used in industrial and decorative applications due to its durability, corrosion resistance, and malleability. The particle size and composition of brass sand can vary, making it suitable for a range of purposes, from surface finishing to filtration. Brass sand is typically produced by grinding or milling brass scraps or ingots into fine particles. The resulting granules are then sorted by size to meet specific industrial requirements. Its metallic yellow appearance also makes it popular for decorative applications.
Physical and Chemical Properties
Brass sand exhibits several key physical and chemical properties that make it valuable for industrial use. Its density ranges from 8.4 to 8.7 g/cm³, depending on the alloy composition. The melting point varies between 900-940°C, influenced by the ratio of copper to zinc. The material is insoluble in water and resistant to corrosion, though it can tarnish over time when exposed to certain environmental conditions. Brass sand is also non-magnetic and has good thermal and electrical conductivity, though these properties are less relevant in granular form.
Main Applications
Brass sand is primarily used in surface finishing and polishing processes, where its abrasive properties help smooth and clean metal surfaces. It is also employed in filtration systems, particularly in water treatment, due to its resistance to corrosion and chemical stability. In decorative applications, brass sand is used in art installations, jewelry making, and architectural designs. Its metallic luster adds a visually appealing element to various projects. Additionally, it serves as a filler material in some industrial composites.
Safety and Storage
Handling brass sand requires basic safety precautions to avoid potential hazards. Inhalation of brass dust can irritate the respiratory system, so it is recommended to use masks or respirators in dusty environments. Gloves should be worn to prevent skin irritation from prolonged contact. Storage conditions are critical to maintaining the quality of brass sand. It should be kept in a dry, cool place, away from moisture and corrosive chemicals. Proper sealing of containers is essential to prevent oxidation and tarnishing over time.
B2B Procurement Guide
When procuring brass sand for industrial use, several factors should be considered to ensure quality and suitability. Alloy composition is a key specification, as it affects the material's properties. Common ratios include 60/40 or 70/30 copper to zinc. Particle size is another critical parameter, with finer grades used for polishing and coarser grades for filtration. Buyers should also verify the purity of the brass sand to avoid contaminants. Prices vary based on these factors, with higher purity and specialized grades commanding premium rates.
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