graphite block

Graphite block is excellent in extreme high-temperature resistance, toughness, thermal conductivity and low resistivity.

graphite block,graphite material,graphite ,ultrafine grain graphite

 ultrafine grain graphite with the average granulity 16μm.

1.high-temperature resistance2.toughness, thermal conductivity 3.low resistivity. 4.colored metal and lanthanon metal smelting, 5.heat up appliance, crystallizer, 6.heat insulation board and precision mould. 7.good for EDM graphite electrode, 8.providing faster discharging ability 9.Supply more even electric current.

Specification of products:

Physical properties of ultrafine grain graphite material:

  

Model	Average grain size (μm)	Density ≥ (g/cm³)	Ash ≤ (%)	Porosity≤ (%)	Resistivity ≥ (μΩm)	Hardness ≥ (HR HS)	Flexural strength ≥ (MPa)
EXT451	25	1.85	0.02	16	10	60	40
EXT452	20	1.83	0.02	16	10	60	42
EXT453	16	1.82	0.02	15	10	60	45
EXT454	10	1.8	0.02	14	12	62	49
EXT455	8	1.79	0.02	13	12.5	64	52
EXT456	4	1.78	0.02	12	15	73	70

graphite block