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wholesale wollastonite powder for braking linning and building materials 

1.Quick Details & chemical properties & Fiber Characters 

1st .Quick Details   
Other names: Calcium metasilicate 
Brand Name: FJS 
Place of Origin:Hubei, China
Model Number: WFA50,WFA60,WFA70,WFA80 etc. 
Color:White 
MF: CaSiO3
hardness: 4.5 
Melting point  1540℃ 
Coefficient of expansion: 6.5*10-6

2nd.Chemical Properties :     
SiO2: 49%~51% 
CaO: 47%~49% 
Fe2O3: 0.5%max

3rd.Fiber Characteristics :     
      Average Laser-diffraction Particle Size (μm) D50 :  from 47.6 to 159.6 μm 
      Related Mesh Screen : 99% 
      Bulk Density(Loose) :  from 0.41 (g/ml) to 0.55 (g/ml)

2.Application and advantage :    

Application: Wollastonite can be widely used in construction field,brake linning,insulation field etc.

wollastonite fiber，especially dedicated to high-end friction materials，can greatly increases wear and heat resistance of friction materials by its acicular shape and unique physical property. The frictional flexibility and stability of friction materials can be improved when filled up by wollastonite fibrous products. 

Wollastonite can substitute asbestos in friction and braking field as friction coefficient increases when wollastonite is added into friction materials. In this case, brake flexibility improves, wear rate decreases, and performance is stabilized without creating noise or scratching dual. At the same time,being innocuous and harmless, wollastonite is environmentally protective. 

Being innocuous, flavorless, and non-radioactive, wollastonite can totally substitute for asbestos and partially for fiberglass.It can be new environmental building materials as it reduces pollution and production cost without degrading performance of building products. 
Wollastonite fiber’s application in building materials such as calcium silicate board with microporous, fiber cement board, fireproofing insulation board, proves to be very mature. It dramatically increases shock resistance, flexural strength, and abrasive resistance of the building products , which are featured with corrosion resistance, sound and heat insulation, and fireproofing. 
The granularity of wollastonite fiber for building use ranges from 100 to 800 meshes. The granularity, aspect ratio and purity determine its application in different types of building products. 

3.Company Introduction：
Daye Jinpeng friction material co., Ltd is located at famous mining city Daye City which has one thousand mining culture and history.
Rely on the rich mining resource and technical advantage ,Daye Jinpeng is specialized in Friction material, metallic material, chemical product, fiber product.Our product are Selenium-rich product,friction material,calcite,chalcopyrite,wollastonite,garnet sand,antimony sulfide,etc.
And our product is extensively applied in many fields like plastics, rubber, friction , building and metallurgy.
Base on the diversified product,favorable price, assured quality, and timely delivery, our products have been widely sold domestic and ouverseas. Warmly welcome you to cooperate with us.  

4.Contact us:
    Sally Wang ,   mobile/whats app:+86 18327820570 
    Email:sallywang11@outlook.com