carbon graphite heater

1.high density 2. high temperature resistance 3.good oxidation resistance 4.thermal shock resistance 5.ISO9001:2008

1 We can produce various kinds of specific shapes and non-standard

   graphite product by customer's drawing.

2 The "Great Wall" brand special high purified graphite are widely used in

   the field of metallurgy,non-ferrous metal machining industry,semiconductor,

   mechanism,mould,automotive,oil,chemical and aviation etc. 

Technical Specification	BTG-3	BTG-4	BTG-5	BTG-6
Bulk Density(g/cm3)	≥1.72	≥1.78	≥1.85	≥1.9
Ash Content(PPM)	≤ 1000	≤1000	≤1000	≤1000
Shore Hardness	≥40	≥40	≥45	≥50
Specific Resistance (μ.Ω.m)	≤12	≤12	≤10	≤8
Flexural Strength (MPa)	≥30	≥35	≥40	≥45
Compressive Strength (MPa)	≥50	≥60	≥70	≥85
Max. Grain Size(μm)	≤43	≤43	≤43	≤43
Coefficient of Thermal Expansion Mm/°C	≤4.5*10-6	≤4.5*10-6	≤4.4*10-6	≤4.4*10-6

carbon graphite heater