China Supply Hot Sell Wollastonite Powder for Matellchat Nowcompare

Product Description

Product Name	Wollastonite Powder
Other Names	Calcium metasilicate
Molecular Formula	Ca3(Si3O9)
HS No.	2833400000
CAS No.	7727-54-0
EINECS No.	231-786-5
Purity	95-99%
Appearance	Usually white, sometimes with a light gray or light red tone, the crystal morphology is triclinic, thin plate-like crystals, aggregates are radial or fibrous

Basic Information Product Name: Wollastonite Powder Other Names:Calcium metasilicate Molecular Formula: Ca3(Si3O9) HS No.: 2833400000 CAS No.: 7727-54-0 EINECS No.:231-786-5 Purity:95-99% Appearance:Usually white, sometimes with a light gray or light red tone, the crystal morphology is triclinic, thin plate-like crystals, aggregates are radial or fibrous
Physical and Chemical Properties
The chemical formula of wollastonite is CaSiO3, and the theoretical chemical composition is cao48.25% and sio251.75%. Pure wollastonite is rare in nature. In the process of its formation, Ca is sometimes partially replaced by Fe, Mn, Ti and Sr plasmas to be homoplasmic, mixed with a small amount of Al and trace K and Na.
Application CeramicsWollastonite has industrial importance in ceramics manufacturing as an additive.In ceramics, wollastonite decreases shrinkage and gas evolution during firing, increases green and fired strength, maintains brightness during firing, permits fast firing, and reduces crazing, cracking, and glaze defects. Wollastonite can serve as a substitute for asbestos in floor tiles, friction products, insulating board and panels, paint, plastics, and roofing products. In metallurgical applications, wollastonite serves as a flux for welding, a source for calcium oxide, a slag conditioner, and to protect the surface of molten metal during the continuous casting of steel. As an additive in paint, wollastonite improves the durability of the paint film, acts as a pH buffer, improves its resistance to weathering, reduces gloss, reduces pigment consumption, and acts as a flatting and suspending agent. In plastics, wollastonite improves tensile and flexural strength, reduces resin consumption, and improves thermal and dimensional stability at elevated temperatures. Surface treatments are used to improve the adhesion between the wollastonite and the polymers to which it is added.
Storage
Storage temperature: The safe storage temperature range of ammonium persulfate is below 30. Under high temperature conditions, ammonium persulfate is easily decomposed to produce oxygen and ammonia, which may cause safety problems such as explosion or combustion. Therefore, ammonium persulfate should be stored in a cool, ventilated and dry place, avoiding direct sunlight.
Environmental conditions: The area where ammonium persulfate is stored should avoid the influence of fire, heat and humid environment. Choose a container made of a material with strong corrosion resistance (such as glass or plastic) to avoid direct contact with metal, and at the same time ensure that the container is well sealed to prevent moisture from entering and the risk of leakage.
ABOUT US
We work in this field for about 16 years, and the annual output of Sodium metabisulfite is about 600,000 tons.
OUR ADVANTAGE
1.Quickly and timely response
2.Quick and professional Delivery of chemicals
3.Professional technical support and after-sales service
4.Full set of Hazard Chemical Exporting Licenses
5.Continuous and stable supply chemicals with professionally deal Bulk Vessel,ISO Tank and containers transportation

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