HK-211F Acicular Wollastonite Powder
Application in Friction Materials
Description
Wollastonite can improve the stability of friction materials and decrease or solve the cracking problems,which significantly strengthens the friction resistance, heat resistance and other sical and mechanical properties of the finished products. Wollastonite can also partly or totally be an alternative to other fiber raw materials in friction materials to reduce the cost and enhance the added values.
In the production of ceramic bonded abrasives and grinding wheels, wollastonite can greatly improve the melting speed and high temperature shock resistance.
Product to and Parameters:
| Item | Typical Value |
SiO2 (m/m,%) | 49%min | |
CaO (m/m,%) | 41-48% | |
Fe2O3 (m/m,%) | 0.6%max | |
MgO (m/m,%) | 1.5%max | |
Al2O3 (m/m,%) | 1.5%max | |
Sedimentation | WFA60,WFA70, WFA80,WFA90 | |
LOI. | 5%max |
Applications:
Wollastonite is widely used in brake lining/pads, clutch,value plug and pulley,etc.
Other information:
Packaging Details: According to customer's requirement.
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