Filler For Paper Making Industry2021-06-28

Calcium Carbonate

For rubber, calcium carbonate is second only to the third largest carbon black and silica inorganic filler, in natural rubber and synthetic rubber has certain reinforcing effect, can improve or enhance the tensile strength and wear resistance of rubber vulcanization body, improve the tear strength, but also adjust the mix Mooney viscosity of rubber mixing, increase the plasticity, is conducive to forming, make the product size is more stable, at the same time reduce the production cost.

Precipitated calcium carbonate is the most commonly used cheap filler increment in the rubber industry.

Ground calcium carbonate, especially strong filling, easy to mix and disperse, with the amount of 100%-250% of the amount of rubber, rubber industry is the main low-cost filling material.


Using dolomite to produce rubber general type calcium and magnesium powder, added in natural rubber and synthetic rubber, mainly plays the role of filling and coloring, reinforcing performance is weak. In terms of performance, there is no difference between the dolomite powder and the light calcium powder, but the cost of dolomite powder is much lower than that of light calcium powder.

Recommendation Of Paper Making Grinding Equipment

1.MTW European Grinding Mill is innovatively designed through deep research on grinding mills and development experience. It absorbs the latest European powder grinding technology and concept, and combines the suggestions of 9158 customers on grinding mills. This grinding mill perfectly satisfies the production demands of the customers on 200-33μm (80-425Mesh) fine powder.

2. SCM Ultrafine Grinding Mill is a new superfine powder (325-2500 mesh) production equipment developed through accumulating years of experience in grinding mill production, absorbing Swedish advanced machine manufacturing technology, and undergoing many years of tests and improvements. The SCM Ultrafine Grinding Mill is the result of combination of advanced Chinese and Swedish technologies. Meanwhile, it symbolizes the new development and new science in the grinding world.

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