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Wollastonite is a naturally occurring, calcium silicate-based mineral that is present in the form of needle-like crystals or fibers. It is characterized by its high temperature resistance and chemical stability.
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Due to its high melting point and fibrous texture, Wollastonite is used as a replacement raw material for asbestos. In addition Wollastonite is an excellent and functional filler with reinforcing properties in various industrial applications.
Diatomaceous Earth is a pale-colored, soft, lightweight sedimentary rock composed principally of silica microfossils of aquatic unicellular algae.
Calcined Flint Clay is a refractory raw material made from naturally occurring kaolin or clay slate. Calcination, i.e. heating at high temperatures, removes organic compone...
Reactive Alumina is a special raw material used in the manufacture of abrasives and abrasive products. It is characterized by its extreme hardness, high strength and abrasi...