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Non-metallic minerals

Fluorite

Fluorite

It is a halogen mineral with a melting point of 1360 ℃. In order to avoid noise in friction materials, the CaF2 content of fluorite used is usually 85-95%. Fluorite is one of the few noise-free materials in friction materials because of its good antifriction effect at low and high temperatures and good adsorption performance. Our high-purity fluorite is low in silicon and calcium, with obvious friction increase, and can reduce wear well without damaging the disc.

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Artificial graphite

Artificial graphite

The product has the following characteristics: (1) High degree of graphitization and fine crystallization. (2) It has high carbon content, low volatile and stable physical and chemical properties. (3) Low hardness, large porosity and low thermal conductivity. (4) The product has reached the technical index of more than foreign imported products When used in friction materials, this product can significantly improve the adhesion, stabilize the friction coefficient, maintain the smooth and comfortable braking process, reduce the surface damage and braking noise of the coupling, and reduce the wear rate.

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Expanded graphite

Expanded graphite

After high temperature transient treatment, the product is scaly and wormlike, and its volume can expand 100-400 times. This kind of expanded graphite can still maintain the nature of natural graphite, and has good molding and carving ability, flexible ductility and sealing property. It is a high-quality raw material for various graphite plates and sealing friction parts, and has good expandability and high temperature resistance.

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Zircon

Zircon

The main features are: 1. Increase friction coefficient. 2. No vibration noise due to its thermal shock resistance. 3. The wear is small when it is used as wear additive.

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