wollastonite

Our wollastonite miner is fully equipped with a series of advanced mining machinery and test equipment and annually manufacture 50,000 tons of wollastonite in lump and powder. We also successfully have developed to super fine powder of wollastonite from 600 to 1,250 mesh, Our products have been exported to countries like Japan, South-east Asia and other European countries and enjoy excellent reputation.
In addition, we also can supply activated wollastonite coated with silane or other agent as requested, which has better physical properties compared with natural wollastonite, specially for smoothness and bonding power. The wollastonite is used widely as functional filler in plastic, rubber and coating industry. Advantages of application:
1. The ceramic industry
when sufficient wollastonite is added to ceramic material, the baking temperature can be decreased, and the baking duration greatly shortened to one rapid low temperature bake, thus saving fuel and reducing production costs. At the same time the mechanical properties are improved cracks and streaks on the products are eliminated and quality raised.
2.The paint and coating industry
When wollastonite is used as a filling or milking agent in paint, a super quality, brightly coloured paint can be obtained. The paint will give a good uniform coating and have mildew-proof and weather-proof properties.
White wollastonite is a good raw material for high quality white and pastel coating. It is easy to apply with a smooth surface. It is also highly weather-resistant.
3. The rubber and plastic industry
Wollastonite can be used to strengthen the filling agents of rubber and plastic. In thermosetting and thermoplastic moulding and casting resin, it has good heat-resistant properties and improves stability.
In epoxy resins, it will reduce water absorption and dielectric constant before plasticizing.
4. Other uses
wollastonite is also used as : protective slag in casting silicon-steel, electrode coating; lagging material; ceramic moulds and bonding agent for abrasives; a filling agent in paper making, the trace mineral in the production of white cement and special electric ceramics.

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