Filtration Silica Sand

Filtration Silica Sand from Pakistan

Filtration silica sand is a specially graded quartz sand used as a filter media for removing suspended solids, turbidity, and particulates from water and other liquids. Its purity, hardness, and particle size distribution make it an effective and economical choice for a wide range of filtration applications. Pakistan’s silica sand deposits are known for their high SiO₂ content, low impurities, and favorable grain shape, making them a preferred global source for filtration sand.

Typical Composition

• SiO₂: 95-99%

• Fe₂O₃: 0.05-0.2%

• Al₂O₃: 0.2-1.2%

• TiO₂: < 0.1%

• CaO + MgO: < 0.2%

• LOI: < 0.5%

Standard Sizes

• 8-16 mesh (2.36-1.18 mm)

• 16-30 mesh (1.18-0.60 mm)

• 30-60 mesh (0.60-0.25 mm)

• Custom gradings available

Key Properties

• Hardness (Mohs): 7

• Sphericity: 0.6-0.8

• Acid Solubility: < 5%

• Bulk Density: 1.4-1.6 g/cm³

• Specific Gravity: 2.65

• Uniformity Coefficient: < 1.5

• Effective Size (D10): 0.35-1.7 mm

• Nominal Pore Size: 50-300 μm

Applications

Municipal water treatment, swimming pool filtration, wastewater polishing, industrial process water, food and beverage filtration, pharmaceutical purification, groundwater remediation, aquarium and pond filters.

Quality Assurance

Each lot is accompanied by a Certificate of Analysis detailing chemical composition, solubility, hardness, and particle size distribution. Pre-shipment samples are provided for client approval. Independent lab testing and on-site inspection can be arranged on request.