Oxide Powder

Spherical quartz powder Spherical SiO2

Item No.: TR-S-SiO2
Purity: 99.9%
Shape: Spherical
The spherical silica is produced by silica being belted in very high temperature flame.
Spherical silica has characters of high purity, narrow size distribution, high sphericity and low cut point etc.

Test Items Unit Typical value Test Method
Chemical Composition SiOB2B % 99.9 Weight Method
FeB2BOB3B ppm 105 Spectrophotometer
Moisture % 0.08 Weight Method
Whiteness % 94.5 Whiteness Meter
Extraction Water Ec μS/cm 13.0 Conductivity Meter
Na+ ppm 0.7 Atomic Absorption Spectrometer
Cl- ppm 0.4 Auto Electric Potential Titrator
pH / 4.2 PH Meter