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Wollastonite

Natural calcium silicate characterized by an aciculine (needle-shaped) structure. Therefore it is highly recommended as a substitute for applications where asbestos was used previously, where a cross-linking effect is needed or where the special shape of the particle and chemical specification is valued.

The hardness is 4.5 on the Mohns scale.

It is highly resistant to temperature  (melting point at 1540º)

The product is available in fibre shape, micronized or in powder.

Wollastonite – 605 0 – 200 microns
Wollastonite – 40 0 – 40 microns