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Chemical Composition: CuFeS2
Dimensions: powder
Material: chalcopyrite
Shape: powder
Application: friction parts,brake pad,clutch
Model Number: 200mesh,325mesh
Brand Name: Daye Jinpeng
Place of Origin: China (Mainland)
main ingredient:: iron sulfide and copper sulphide
hardness:: 3.4
density:: 4.1-4.38/cm3
melting point(iron sulfide):: 1193
sulfur brass and iron content:: 55%min
screen analysis:: +S 200 5%max
grade:: 200mesh,325mesh
sieving rate:: 97%

Specifications

Product description:
It is Known about 170 kinds of copper mineral in the nature, but only 20 kinds are of industry value. Copper has strong intimate sulphur,so

copper sulfide is in the majority. There are many kinds of copper mineral according the formation conditions and chemical composition.  For example:primary sulfide copper mineral such as chalcopyrite, secondary sulfide copper mineral such as chalcocite, copper oxide minerals such as malachite and natural copper, etc.

Copper is a good conductor, the electrical and thermal conductivity is only second to silver.It has good toughness, ductility and softness, is one of the most effective friction raw material and is widely used in the friction material industry.

It special help to improve the temperature coefficient of friction.It is needed to strictly control the dosage and particle size.The usual priticle size is of 325 mesh. And the negative impact increased when  the dosage is more than 5%.


:

density: 4.1-4.38/cm3

sulfur brass and iron content: 55%min

screen analysis: +S 200  5%max

                      -S 120  =100%

grade:200mesh,325mesh

: 97%


chalcopyrite friction material Brake part used chalcopyrite


chalcopyrite origin and ranking