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Wollastonite powder for ceramics industry

Density : 2.75-3.10 g/cm3
Melting poit : 1480 ℃
Mohs hardness : 4.5~5.5
Thermal expansion coefficient : 6.5 x 10 /-6 ℃-1

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Product information:

1. Hard and wear-resistant: Wollastonite itself has high hardness, high density, and other characteristics, and its powder also has these properties. Therefore, wollastonite powder has good compression resistance, wear resistance, and other characteristics, and can be widely used in fields such as construction, roads and bridges;

2. Good chemical stability: Wollastonite powder has stable chemical properties and will not undergo chemical reactions at high temperatures. Therefore, it can be applied to equipment such as furnaces and boilers in high-temperature environments, with excellent anti-corrosion effects;

3. Strong adsorption: Wollastonite powder has excellent adsorption performance and excellent adsorption effect on harmful gases, heavy metals, and other substances, which can be applied in the field of environmental protection;

4. Good insulation performance: Wollastonite powder has excellent insulation performance and can be applied in fields such as electronic industry and power industry;

5. Significant effect on soil improvement: Wollastonite powder can improve soil structure, increase soil fertility, and avoid crop yield reduction caused by excessive fertilization or soil salinization.

Technical data:



49 - 54 %


42 - 45 %


≤ 0.3 %


≤ 0.3 %


0.5 - 1.6 %


1 - 3 %


≤ 1 %

Application of wollastonite in ceramic industry :

  • Wollastonite powder can be used as a raw material for ceramics. Ceramic production requires different types of mineral powders, and wollastonite powder is one of them. The high hardness and wear resistance of wollastonite powder enable it to provide better toughness and hardness for ceramic products.

  • Wollastonite powder can also be used as an additive in ceramic glaze. Adding a small amount of wollastonite powder to ceramic glaze can improve the hardness and toughness of the glaze, while also increasing the transparency of the glaze, making the texture of the product better.

  • Wollastonite powder can also be used as a filler and whitening agent for ceramics. In the process of ceramic production, adding an appropriate amount of wollastonite powder can increase the density and thickness of the product, while also improving the whiteness and glossiness of the product.

application of wollastonite

Other application:

  • Building materials industry

  • Chemical industry

  • Electronic industry

  • The pharmaceutical industry

Process progress:

processing of wollastonite


Normally, we choose to pack the wollastonite in ton bags, if customters has other requirements, we can also meet.

packing of wollastonite


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