Graphite material 1.high-temperature resistance 2.graphite block is toughness 3.thermal conductivity 4.low resistivity

graphite block,graphite material,graphite ,ultrafine grain graphite

1.ultrafine grain graphite with the average granulity 16μm.

2.high-temperature resistance3.toughness, thermal conductivity 4.low resistivity. 5.colored metal and lanthanon metal smelting, 6.heat up appliance, crystallizer, 7.heat insulation board and precision mould. 8.good for EDM graphite electrode, 9.providing faster discharging ability 10.Supply more even electric current.

 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

Model	Average grain size (μm)	Density ≥ (g/cm³)	Ash ≤ (%)	Porosity≤ (%)	Resistivity ≥ (μΩm)	Hardness ≥ (HR HS)	Flexural strength ≥ (MPa)
EXT453	16	1.82	0.02	15	10	60	45

Ultrafine grain graphite block