Metallurgical Wollastonite-Grade C With High Quality

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1000 m.t./month

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Metallurgical  Wollastonite-Grade C


Wollastonite is widely used in ceramic, coatings, plastics, rubber, welding, chemical, metallurgy, construction, automobile ,asbestos substitutes and paper industry . We can supply different grades of wollastonite powder, Acicular Wollastonite and other formal product.


Cas no: 13983-17-0

1*20 FCL can load about 25-27 tons.

Specification Of Ceramics Grade

DescriptionWhite powder

ItemsSiO2 %CaO %MgO %Fe2O3 % S %P %Al2O3Loss %

Grade A≥49≥46≤0.8 ≤0.3≤0.01≤0.01  ≤ 0.8≤1.5 

Grade B≥50 ≥43≤0.8  ≤0.3≤ 0.01≤0.01   ≤ 0.8≤3

Grade C≥51≥40≤0.8≤0.35≤ 0.01≤0.01≤ 0.8≤5

Size80-400 mesh or as request

Specification for Metallurgical Grade

ItemsSiO2 %CaO %MgO %Fe2O3 % S % P %Loss %White Grade

Grade A45-5638-43≤0.8≤ 0.2≤0.001≤0.0014.5-5.5  ≥80

Grade B49-5144-46≤0.8≤ 0.2≤0.001≤0.0011-2.5 ≥85

Size: From 80 mesh to 400mesh or adjusted according to customer’s request

We produce and supply all kinds of good quality Wollastonite, the cargo can be packed based on buyer's request, hope we have honor to build good business relationship with you.

Metallurgical  Wollastonite-Grade C With High Quality

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Q:The difference between silica powder and wollastonite powder
Quartz sand is quartz quartz stone crushing processing. Quartz stone (quartz rock) also known as silica, silicate minerals is a hard texture, abrasion resistance, stable chemical properties. There are mainly quartz sandstone, quartzite and quartz in nature. Quartz sandstone is the consolidation of clastic rock, clastic quartz content more than 95%.Summarize yourself
Q:Conglomerate can not be exploited to destroy
Shale was formed in lentic environment, sediment deposition after a long time, so often exist in the lake and river deltas, formed in the continental shelf is shale, shale often contains ancient fossil plants and animals. Sometimes there are traces of animal fossils, and even traces of ancient raindrops may be preserved in shale.
Q:Chemical TSP and wollastonite filled nylon do contrast to the good toughness
Cleaning and coated with anti - reflective film lenses, such as cameras, slide projectors, microscopes lens, can be used about 20% of alcohol preparation cleaning agent for cleaning. When cleaning application soft brush or cotton with a small amount of cleaning agent, from the lens center outward circular motion. Do not put this kind of lens soaked in cleaning agent cleaning; cleaning the lens shall not force wipe, otherwise it will scratch the antireflection film, lens damage.
Q:The difference between wollastonite and quartzite
Quartz sand is quartz quartz stone crushing processed. Rock (quartz), also known as silica, is a hard, abrasion resistant and chemically stable silicate mineral. In nature, quartz sandstone, quartzite and quartz quartz exist. Quartz sandstone is a consolidated clastic rock with a quartz content of more than 95%.
Q:What is the difference between wollastonite powder and talc powder?
The main component of wollastonite is calcium silicate, Ca3 (Si3O9), appearance: wollastonite white gray, red, flaky microstrip, radial or fibrous aggregates, three triclinic, shiny glass, pearl luster cleavage mask. Mainly used in ceramics, coatings, plastics, rubber and other industries.
Q:How does the result of wollastonite analysis convert the grade of ore-forming stone?
Wollastonite ore is mainly composed of quartz and calcite (SiO2) (CaCO3), wollastonite (CaSiO3), the three major minerals by chemical analysis method to detect SiO2, CaO, so from the chemical analysis results is not apparent
Q:The difference between wollastonite and calcite
Calcite powder is commonly used in powdered inorganic filler with high chemical purity, inert, easy chemical reaction, good thermal stability, high whiteness, low oil absorption, soft, dry, no crystal water, low hardness, abrasion value, non-toxic, tasteless, odorless, dispersion, etc.. Widely used in plastics, rubber, paper making, coating, feed, medicine, daily chemicals, glass, ceramics and other fields.
Q:Addition of needle like wollastonite in engineering plastics
Wollastonite is added to engineering plastics, which is called calcium plastic in the industry, because slaked lime is calcium hydroxide and lime is calcium carbonate. In order to increase the strength of the plastics, the calcined wollastonite is added.
Q:Main characteristics of Wollastonite
The chemical formula of wollastonite is CaSiO3, the structural formula is Ca3[Si3O9], and the theoretical chemical components are CaO 48.25% and SiO2 51.75%. In nature, pure wollastonite is rare, and in its formation, Ca is sometimes replaced by Fe, Mn, Ti, Sr plasma, and is isomorphous, with a small amount of Al and trace amounts of K and Na.
Q:Silica powder and calcite powder have big difference
Wollastonite is a chain metasilicate, and is a kind of fiber like needle. Because of its special crystal morphology, crystalline structure determines its properties. Wollastonite has good insulation, high whiteness, good dielectric properties and high heat resistance and weather resistance.

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