High Density Graphite Block
1.density:1.68-1.92g/cm3
2.grain:12-15um
3.compressive:30-85Mpa
Specifications
High Density Graphite Block on Graphite Block :
1. High Density Graphite Block
advantages: low resistivity, high temp proof, anti corrosion, good thermal shock resistance, electrical conductivity, low coefficient of thermal expansion, self -lubricating, suitable for precise process.
advantages: low resistivity, high temp proof, anti corrosion, good thermal shock resistance, electrical conductivity, low coefficient of thermal expansion, self -lubricating, suitable for precise process.
2. Carbon Graphite Block :
Physical and chemical indicators of graphite block YB/T 4028-2005
Item
|
Unit
|
Indicator requirement
|
Senior
|
||
Resistivity <=
|
µΩm
|
13
|
Bulk density >=
|
g/cm3
|
1.68
|
Compression strength >=
|
MPa
|
30
|
Ash <=
|
%
|
0.1
|
Physical and chemical indicators of graphite block.
Index Specification
(mm)
|
Model(Isostatic Pressing) |
wdg-3
|
wdg-4
|
wdg-5
|
Φ770×650 Φ700×650 Φ640×615 Φ565×525 Φ515×355, 550 Φ(410-470)×800 Φ410×415/525 Φ470×415/525 1250×650×310 1250×510×410 1000×410×330 1100×1100×310 910×310×210/310 770×210×140/150 |
Ash Content not more than(%≦) |
0.15
|
0.10
|
0.10
|
Specific Resistance not more than(μΩm≦) |
13
|
13
|
13
|
|
Bulk Density not less than(g/cm3≧) |
1.68
|
1.78
|
1.85
|
|
Compressive Strength not less than(MPa≧) |
50
|
70
|
85
|
|
Flexural Strength not less than(MPa≧) |
25
|
40
|
45
|
|
Index Specification
(mm)
|
Model(Mould Pressing) |
wmg-3
|
wmg-4
|
wmg-5
|
330×280×180 380×300×200 435×260×210 495×145×145 665×220×150 |
Ash Content not more than(%≦)
|
0.15
|
0.10
|
0.10
|
Specific Resistance not more than(μΩm≦)
|
13
|
13
|
13
|
|
Bulk Density not less than(g/cm3≧)
|
1.68
|
1.76
|
1.82
|
|
Compressive Strength not less than(MPa≧)
|
50
|
60
|
65
|
|
Flexural Strength not less than(MPa≧)
|
25
|
35
|
40
|
|
665×220×315 615×515×315 555×415×415 510×315×315 |
Ash Content not more than(%≦)
|
0.15
|
0.10
|
0.10
|
Specific Resistance not more than(μΩm≦)
|
15
|
15
|
15
|
|
Bulk Density not less than(g/cm3≧)
|
1.62
|
1.75
|
1.82
|
|
Compressive Strength not less than(MPa≧)
|
50
|
55
|
60
|
|
Flexural Strength not less than(MPa≧)
|
25
|
30
|
35
|
|
770×210×210 910×310×310 |
Ash Content not more than(%≦)
|
*
|
0.10
|
0.10
|
Specific Resistance not more than(μΩm≦)
|
*
|
15
|
15
|
|
Bulk Density not less than(g/cm3≧)
|
*
|
1.70
|
1.80
|
|
Compressive Strength not less than(MPa≧)
|
*
|
50
|
55
|
|
Flexural Strength not less than(MPa≧)
|
*
|
25
|
30
|
|
Φ170×320 Φ180×320 Φ250×380 Φ300×450 |
Ash Content not more than(%≦)
|
0.15
|
0.10
|
0.10
|
Specific Resistance not more than(μΩm≦)
|
13
|
13
|
13
|
|
Bulk Density not less than(g/cm3≧)
|
1.65
|
1.75
|
1.80
|
|
Compressive Strength not less than(MPa≧)
|
50
|
60
|
65
|
|
Flexural Strength not less than(MPa≧)
|
25
|
35
|
40
|
|
Φ410×525 Φ470×525 Φ(410-470)×800 |
Ash Content not more than(%≦)
|
0.15
|
0.10
|
0.10
|
Specific Resistance not more than(μΩm≦)
|
15
|
15
|
15
|
|
Bulk Density not less than(g/cm3≧)
|
1.62
|
1.70
|
1.80
|
|
Compressive Strength not less than(MPa≧)
|
35
|
45
|
55
|
|
Flexural Strength not less than(MPa≧)
|
20
|
25
|
35
|
All kinds of sizes can be manufactured according to customer requirement.
Welcome to copperate with Baofeng Fivestar Graphite Co.,Ltd.