SILICA SAND

Description
Silica refers to a group of minerals composed of silicon and oxygen, with the chemical formula SiO2. Sand, made up of small grains or particles of minerals and rock fragments, predominantly contains quartz, a mineral composed of silica.
 
Reference Standard
  • IS 3018:1977
  • IS 1387:1967
  • IS 1987:2002
 
Area of Application
  • Construction materials
  • Paints and coatings
  • Industrial abrasives
  • Filtration media
  • Glassmaking
  • Ceramics
  • Golf courses and sports fields
  • Pigments
  • Sandblasting and other abrasives
  • Foundry sand
  • Production of silicon and silicon carbide
  • Brick feeding material
 
Benefit of UNIV Silica Sand
  • Efficiency: Well-sized materials save up to 23% of other materials.
  • Durability: High bonding and non-reactiveness minimize cracks, ensuring long-lasting plaster and reduced corrosion.
  • Coverage: Precise sizing reduces plaster thickness, providing more coverage.
  • Smooth Finish: Offers a much smoother surface finish compared to ordinary sand.
  • Energy Savings: Heat resistance results in less heat absorption by walls and slabs, saving energy.
  • Minimal Waste: Sorted material ensures zero wastage.
  • Strength: Laboratory tests show at least 30% higher strength in all parameters.
 
Typical Chemical analysis of UNIV Silica (SiO2).
 
SiO2 Al2O3 Fe2O3 TiO3 CaO MgO Na2O K2O SO3 P2O5
97.66 -98.70 0.27 -2.11 0.18 -4.37 0.01 -1.03 0.06 -0.87 0.04-0.41 0.02-0.11 0.01-0.05 0.01 -0.20 0.02 -0.03
 
Technical Information
 
pH Above 7.8 pH  (7.0 pH to 7.8 pH)
Soil Resistivity Usual values: from 10 up to 1000 (Ω-m)
Silica Melting point 1,700 °C
Silica boiling point 2,950 °C
Silica Moh’s Scale Of Hardness 6 - 7
Bulk Density 1.22 x 103 Kg/m3
Specific Gravity 2.65
Water absorption 0.1% to 0.15%
Specific electric conductivity  S/cm: 10−14-10−16
Thermal Conductivity W/mK: 7.2-13.6
Linear thermal expansion coefficient 1/K: 14×10−6
Clay Contain 0.3 %
Moisture 0.09 %
Compressive Strength 28 Days(pre-treated silica sand is the optimum composition) 48.8 N/mm2
Fire Resistance Non Flammable IS:11239
 
Particle Size for Dry-Mix
APS Micron 600 Grade 1200 Grade
1700 to 600 10% to 15% 50% to 65%
425 to 150 80 % to 90% 30% to 40%
106 to 75 0.1 % to 1.0% 0.1 % to 1.0%
Customised grade available.
 
 
Packing Size-
40 kg bags, 1000 Kg Cargo Bags, Loose Cargo for bulk supply also available. (with silica royalty certificate)
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