Wollastonite Powder
Detailed Introduction
is a(CaSiO3) that may contain small amounts ofiron,magnesium, andmanganesesubstituting for calcium. It is usually white. It forms when impurelimestoneordolomiteis subjected to high temperature and pressure, which sometimes occurs in the presence of silica-bearing fluids as inskarnsor in contact withmetamorphic rocks. It is named after the English chemist and mineralogistWilliam Hyde Wollaston(1766–1828).
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Based on the versatility of the needle-like shape, low gloss, paint film strength and overall durability can be achieved
Moderate oil absorption, can provide more PVC
High dry brightness, can provide cleaner tones
Medium hardness, can prevent scratches and scrub resistance
Alkaline pH may become one of the most important properties of wollastonite, requiring less ammonia and improving rust and mildew resistance
Physical properties& Composition
Wollastonite occurs as bladed crystal masses, single crystals can show an acicular particle shape.
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