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China
Personne àcontacter Mr. WANG
wangchenglaixiqingdao, qingdao, shandong
graphite stopper , Casting the level of copper production Material:Graphite Speciality of raw material for this series: high purity, fine grain, good performance of electrical conductivity and thermal conductivity, high density, good corrosion resistance, thermal shock resistance, thermal stability, high mechanical strength, low permeability, and good oxidation resistance. The raw material is fit for producing various semiconductor molds and large anode of radio tube Materials Index: C Content :*9.*9% Dentity :≮1.*7 g/cm3 Specific Resistance :9 Î&frac*4;Ω-m Compressive Strength :*5 Mpa Shore Hardness :*5 Porosity :≯*5%
