Silicon dioxide Cas 7631-86-9
Chemical Name: Silicon dioxide
CAS No.: 7631-86-9
Molecular Formula: O2Si
Molecular Weight: 60.08
Assay:99%
Samples: Available
Typical Properties

Specifications

ItemsSpecificationResults
Identificationconformconform
SiO2%(Ignited)≥9698.4
Ignition Loss%≤8.54.9
Moisture Loss%≤54.4
Heavy Metals as Pb mg/kg≤30<30
Pb mg/kg≤5<5
As mg/kg≤3<3
Apparent density g/mL<0.30.09
Oil absorption mL/g≥2.53.2

Usage

Silicon dioxide is the main raw material for manufacturing glass. Glass made solely from silicon dioxide is called quartz glass, which has characteristics such as high temperature resistance and UV transmission. Silicon dioxide is also an important raw material for manufacturing optical fibers. Chemicalbook uses a large amount of silica as a reinforcing agent for rubber, an opening agent to prevent plastic film adhesion, an anti settling agent for pigments, a matting agent for coatings, a viscosity regulator, a excipient for medicine, a catalyst carrier, and used in cosmetics.

Packaging and Shipping
25kg/drum or Customized packaging


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Storage
It should be placed in sealed, dry and stored.


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