graphite block

1.high purity, 2.high density, 3.good high temperature resistance, 4.ablation resistance, 5.ISO9001:2008 - details see: https://www.machineto.com/graphite-block-10282102

Place of Origin:Beijing China (Mainland)

Brand Name:Great Wall

Model Number:BTG

Certification:ISO9001:2008

High Purity Graphite

Features:High density, fine grain size, high purity, low specific resistance and high strength with ease of precise machining. Also features include excellent thermal shock properties, high temperature and oxidation resistance with good anti-corrosion.

Application: It is widely used for EDM machining, mould for sintering diamond, crystallizer for horizontal continuous casting, crucible for melting nonferrous metal, industrial furnace, heating element in vacuum furnace, 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