Natural Calciumsilicate : Wollastonite

Precise laser alignment of the components in steam, gas, wind and hydroturbines is one of our standard services. As an independent service provider, we either work together with the manufacturer to...

“ It is characterized by : - a low absorption of water and oils - a high thermal stability - a low solubility in water - medium hardness (4.5 on the Mohs scale) - variable shape coefficient (ratio of length to diameter). ”

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Presentation

The natural mineral Wollastonite is a very versatile calcium silicate whose crystal structure consists of needle-shaped crystals.

It is used in various applications. Please find below the special features of the individual sectors.

Plastics: improved dimensional stability, impact and scratch resistance. Increased insulating and fire resistance properties.
Paints: anti-corrosion properties of industrial coatings. Optimization of mechanical performance (hardness, adhesion and flexibility).
Ceramics: increase in resistance by limiting cracks and fissures.
Adhesives and sealants: improvement of dimensional stability and mechanical resistance (tensile strength, sagging and abrasion resistance). Improvement of rheology.
Concrete: reinforcement of cement slabs, improvement of the wet and mechanical properties of concrete; its lightness is also an advantage.
Geopolymers: improvement of rheology to facilitate extrusion