Rubber / Rubber Silicone / Microcrystalline Silica

Microcrystalline Silica

Mineral: Microcrystalline Silica 


In APAC and the US, Sibelco’s micro-crystalline silica products are used in compounding silicone rubber.

Microcrystalline silica is made from alpha-quartz, a polymorph of quartz in which the crystals are small to the extent that they are only visible under high magnification.

For further information on microcrystalline silica please visit the page of the tool with the name “Quartz”.



Name Grade D50
Imsil A8 1.6
A10 2.4
A15 3.5
A25 6.0
A30 8.1
1240 9.2
A75 11.3


Production Location: Elco, Illinious USA

Application: Provides good thermal properties in a cost-effective way

FunctionalityPerformance, Cost-reduction

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