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carbon block for aluminum

properties:
table 1

no: item unit half graphite high graphite graphite
1 ash % 8 5 3
2 resistivity μω·m 43 35 32
3 bulk density g/cm3 1.54 1.52 1.52
4 electrolyzation expansivity % 1.0 - -
5 real density g/cm3 1.88 1.90 2.06
6 modulus of compression mpa 30 28 26

remarks:
1.half graphitic cathode carbon block product standard ys/t287-2005.
2. half graphitic cathode side regulation carbon block product standard ys/287-2005.
3. dimension and allowable tolerance should be in according with table 2.
table 2  unit:mm

dimension l allowable tolerance
200×200×l ≤2400
according to relative industrial standard
400×400×l
400×500×l
≤2700
400×600×l
500×500×l
500×600×l
≤2400
515×450×l ≤3280
500×660×l
500×600×l
550×600×l
600×600×l
≤3390

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