Reolosil® QS-30 is a very fine amorphous silicon dioxide made by the combustion of high-purity silicon tetrachloride with oxygen and hydrogen. Its unique properties offer advantages in many applications: silicone rubber, sealants, organic elastomers, UPR, adhesives, paint, ink, and free flow. It is used as a reinforcing, thickening, anti-settling, thixotropic, and free flow agent.

Chemical Name: Silica, Hydrophilic, Fumed

CAS Number: 7631-86-9

Chemical Family: Silica

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 Area270 - 330m²/gBrunauer-Emmett-Teller Method
Bulk Density50.0g/l
pH (4% suspension)4.2--
Silicon Dioxide Purity (Dry basis)min. 99.9%-
Chlorine Contentmax.50ppm-
Aluminium Contentmax. 20ppm-
Iron Contentmax. 20ppm-
325 Mesh Residuemax. 0.01%-
Moisture Content (Dry up)⁽¹⁾max. 2.0%
Mean Particle Sizeapprox. 7nm-
Note

⁽¹⁾ When leaving plant

Packaging & Availability

Packaging Type
Packaging Information

Packaged in 10 kg / paper bag.