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Graphite square | Graphite block (Extrusion | Molding | Isostatic pressing)

Graphite block | graphite square: is a main graphite product. The production process of the graphite block / graphite square is similar to that of graphite electrode, but it is not the by-product of graphite electrode. The graphite block | graphite square has various categories and complex manufacturing processes. The production cycle is usually longer than 2 months. At the same time, the graphite block / graphite square has various species and is called differently in the industry. Generally, it can be divided into extrusion graphite block / graphite square, molding graphite block / graphite square and isostatic pressing graphite block / graphite square in accordance with different processing technologies. 

It can be divided into fine-particle graphite block / graphite square, medium-coarse particle graphite block / graphite square and coarse-particle graphite block / graphite square in accordance with different granularity. 

The graphite block / graphite square is widely used: for example, it is used to manufacture product molds (EDM). Meanwhile, the graphite block / graphite square is also widely used in other manufacturing industries other than that for molds. We can produce any specification of the graphite block / graphite square below the one that is 3600 in length, 850 in width and 850 in height. 

HP Graphite has more than fifteen years of experience in graphite block / graphite square production, and the graphite block / graphite square provided by us has following characteristics: 

The graphite block | graphite squire has high bulk density, low resistivity, oxidation resistance, corrosion resistance, high temperature resistance and good electrical conductivity.   

Specifications of graphite block | graphite squire

GSK class mm TSK class / psd class mm 
4004001800-20005855453000
5005001800-20005855903000
6504001800-20004454353000
8504001800-200010105453000

Physical and chemical indexes of graphite block | graphite squire

项目单位GSKTSKPSK
Granularity mm0.824
ResistivityμΩm≤7.5≤8≤8.5

Bulk density

g/cm3≥1.74≥1.72≥1.72
Compressive strength Mpa≥36≥35≥34

Flexural strength

Mpa≥15≥14.5≥14

ash

%≤0.3≤0.3≤0.3

Elastic mould

Gpa≤8≤7≤6

Thermal expansion coefficient

10-6/℃≤3≤2.5≤2
Porosity %≥18≥20≥22

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