1. BETTER GRAPHITE (TIANJIN) TECHNOLOGY CO.,LTD.
Contact Person:lynch E-mail:lynch@bettergraf.com
http://www.bettergraf.com
1
Medium-grain Spcialty Graphite
Typical sizes
*Round:
Diameter (mm) 630-1420
length (mm) 400-800
*Block:
500x500x1800,550x250x1800,550x250x2500,600x200x1800,650x400x1800,
330x150x2200,350x175x2100,400x400x1800,500x200x1800,500x200x2500,
650*610*1850,50x400x1800mm
* other dimensions are available on request.
Typical specifications
Specification Unit GSK01 TSK01 TSK02 GSK02
Bulk density (min) g/cc 1.58 1.60 1.71 1.72
Specific resistance (max) micro ohm.m 10.0 9.0 8.5 8.5
Compressive strength (min) MPa 20 20 28 30
Bending strength (min) MPa 8 8 13 14
C.T.E. (100~600 degree) (max) x10-6/degree 2.3 2.3 2.4 2.4
Maximum grain size mm 0.8 2.0 2.0 0.8
*Note: The values mentioned in this table are only for reference and not committed
to any contract.
High Pure Graphite Block

2. BETTER GRAPHITE (TIANJIN) TECHNOLOGY CO.,LTD.
Contact Person:lynch E-mail:lynch@bettergraf.com
http://www.bettergraf.com
2
Typical Sizes
Length x Width x Thickness (mm)
Blocks
300*200*120/300*250*113,
370*280*120/150/160,390*120*120 400x120x120,
410*310*130/140/150/160,
410*310*180, 430*135*105/135, 500*300*200,
650x210x135, 600*500*200, 800*300*200
Rounds
Diameter (mm): 100, 110, 125, 135, 150, 200,
215, 250, 300,330 400, 455
Thickness (mm): 100, 125, 250, 300, 450
* Other dimensions are available on request.
Typical specifications
Technical Specification HG02 HG03 HG04
Bulk Density (g/cm3) ≥1.70 ≥1.78 ≥1.85
Ash Content (PPM) ≤ 1000 ≤1000 ≤1000
Shore Hardness (MPa) ≥40 ≥40 ≥45
Specific Resistance (μ.Ω.m) ≤12 ≤12 ≤10
Flexural Strength (MPa) ≥30 ≥35 ≥40
Compressive Strength (MPa) ≥50 ≥60 ≥70
Max. Grain Size (μm) ≤43 ≤43 ≤43
Coefficient of Thermal
Expansion ( Mm/°C)
≤4.5*10-6 ≤4.5*10-6 ≤4.4*10-6