Reolosil® QS-102 is a very fine amorphous silicon dioxide made by the combustion of high-purity silicon tetrachloride with oxygen and hydrogen. Relosol is a fluffy white powder and is used in many applications because of its unique properties: extremely small particle size, enormous surface area, high purity, and excellent dispersion.

Chemical Name: Silica, Hydrophilic, Fumed

CAS Number: 7631-86-9

Chemical Family: Silica

Labeling Claims: High Purity

Applicable Processes: Chemical Mechanical Polishing (CMP)

Compatible Polymers & Resins: Silicones

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Identification & Functionality

Features & Benefits

Applications & Uses

Properties

Physical Form
Appearance
White powder
Typical Properties
ValueUnitsTest Method / Conditions
Specific Surface Area180 - 220m²/gBrunauer-Emmett-Teller Method
Bulk Density50.0g/l
pH (4% suspension)4.2--
Silicon Dioxide Purity (Dry basis)min. 99.9%-
Aluminium Contentmax. 20ppm-
Iron Contentmax. 20ppm-
325 Mesh Residuemax. 0.01%-
Moisture Content (Dry up)⁽¹⁾max. 1.5%
Mean Particle Sizeapprox. 12nm-
Particle Size distribution in water

Reolosil® QS-102 - Particle Size distribution in water - 1

Note

⁽¹⁾ When leaving plant

Packaging & Availability

Packaging Type
Packaging Information

Packaged in 10 kg / paper bag.