| Purity: | Grade a Loi 3.77 Cao 42.46 Fe2o3 0.1 |
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| Price: | Factory Price |
| Index: | Stable |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Wollastonite
Introduction:
Wollastonite is composed of Ca3 [Si3O9].Triclinic system.They are usually lamellar, radial, or fibrous aggregates.White microstripe gray.Glass luster, cleavage surface pearl luster.Hardness is 4.5 ~ 5.0.The cleavage parallel {100} is complete and the parallel {001} is medium. The intersection Angle of the two cleavage planes is 74°.Density 2.78~2.91 g/cm3.It is mainly produced in the contact metamorphic zone between acidic intrusive rock and limestone, and is the main mineral component of skarn.In addition, it is found in some deep metamorphic rocks.Used as: raw materials or fillers for papermaking, ceramics, cement, rubber, plastics, etc.Gas filtration materials and heat insulation materials;Metallurgical fluxes, etc.
Product pictures:
| The sample of the goods | Wollastonite WL-02(±2%) |
| LOI (1025ºC) | 3.77% |
| Al2O3 | 0.34% |
| SiO2 | 50.65% |
| Fe2O3 | 0.1% |
| CaO | 42.46% |
| Whitness After Burn | 87.1% |
| D50(um) | 28 |
| Length To Diameter Ratio | 5:1 |
| Apparent Density | 0.667 g/cm3 |
1.Application of wollastonite in ceramic industry: it can produce glazed tiles, cleaning porcelain, daily-use porcelain, art porcelain, power porcelain, high-frequency low-consumption radio electric porcelain, chemical ceramics, glaze, color, glass, mold, etc.
The primary effects of wollastonite in ceramic industry are as follows:
1. Reduce the firing temperature;
2.Shorten firing cycle;
3.The temperature of moving green and firing green bodies;
4.Easy to shape;
5.To reduce the firing of the green body;
6.To reduce the wet swelling of the green body;
7.Reduce the viscosity of the glass phase.
2.paint and coatings industry: in the paint with wollastonite filler or emulsion, you can get high-quality bright colors of paint, and have the coating and anti-aging properties. White wollastonite is a good raw material for high-quality white paint and soft pastel paint, easy to brush, the surface of a slide, has a high resistance to weathering.Wollactin has a bright color and high refractive index (1.63). It is suitable for the production of high-quality white paint and clear and transparent colored paint. It acts as a flatten agent in coatings. The pigment produced by wollactin can present pure white or bright bright color, and white paint can maintain a bright color for a long time.
3.rubber and plastics industry: rubber and plastic can be done to strengthen the filler, with the thermosetting and thermoplastic resin and mold resin model, with good thermal shock resistance and enhance stability. Filled in the epoxy resin, before plastication has low water absorption, low dielectric constant and low viscosity, good performance.
4, other aspects: wollastonite can also be used for steelmaking slag, welding electrode coating, ceramic mold, grinding materials and grinding wheel production, paper filling agent, the production of white cement, manufacturing special electrical ceramics and other rare minerals raw material.
Logistics:
Q:How many years of experience in supply?
A:A long stable supplier.
Q:Do you accept customization?
A:We could like to give you suitable suggestion about Fritted according to your detail application.
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