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Silica powder, Ground Silica, Mesh 325
 
Silica powder, Ground Silica, Mesh 325
Product Code: SCS52

Ground Silica

Produced from high purity silica, precision ground to fine powder, mesh 325.  Our ground silica are inherently inert, bright white, with low moisture and are at least 99.4% SiO2.

Special processing techniques assure controlled particle size distribution, which means elimination of excessive coarse and fine particles. This makes our ground silica ideal for plastics and rubber, polishes and cleansers, paints, ceramic frits and glazes, fiberglass, precision castings and more. 

Silica is frequently referred to as “Potter’s Flint” and is often just ground sandstone. It is used interchangeably with Quartz. 

Item Specifications Price Availability Qty Order
2 Lbs., (Plastic Jar) $20.00 Yes
50 Lbs., (Plastic Pail or Boxed Polybag) $95.00 Yes
1000 Lbs., in 20 paper bags $1,200.00 Yes

Additional Description

Technical details:

Physical Properties:

  • Material: SILICA - SiO2
  • Melting Point: 3119oF/1715oC
  • Hardness: 7 Mohs
  • pH: 7
  • Reflectance: 89%
  • Yellowness index: 3.8
  • Specific Gravity: 2.65
  • Bulk density 1.56 - 1.60 g/cc
  • Through mesh 325 > 92%
  • Retained on mesh 325 < 8%

Chemical Analysis (Typical)

SiO2 (Silicon Dioxide) 99.5%
Fe2O3 (Iron Oxide) 0.022%
Al2O3 (Aluminum Oxide) 0.3%
TiO2 (titanium Dioxide) 0.01%
CaO (Calcium Oxide) 0.02%
MgO (Magnesium Oxide) 0.01%
Loss On Ignition 0.2%

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