Natural Calciumsilicate : Wollastonite XATICO Benelux-France Sàrl

Natural Calciumsilicate : Wollastonite

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“ 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