4 OZ Assay Silica Flour/Sand - 400 Mesh

Silica flour is a fine, bright white powder, and this 4 oz package of silica flour/sand 400 mesh delivers exceptionally uniform, 40 micron particles for precise results. It is inherently bright, low in moisture, inert, and contains at least 99.2% SiO2, providing reliable performance across applications.

With unmatched fineness and consistent particle size, this assay-grade silica flour is ideal for tasks requiring controlled particle distribution, from analytical work to manufacturing processes. Its inert nature minimizes chemical interactions, while the high purity helps reduce contamination in sensitive operations.

• 40 micron (approximately 400 mesh) particle size for consistent results
• High purity: at least 99.2% SiO2
• Bright white, low moisture, inert material
• Versatile for assay work, polishing, coatings, and glass-related applications
• Formula: SiO2

Experience dependable, uniform silica flour for your next project. Add to cart today to secure this high-quality silica sand option.