Graphite & Carbon products we supply
Advanced graphite
On customer’s request we also supply following advanced products to meet customer needs.
- Pyrolytic graphite
- Graphite/carbon felt
- Expandable graphite
- Flexible graphite sheets
- Micronized graphite
- CFC bolts and nuts
Pyrolytic graphite
|
Specification |
|
|
|
|
Density |
2.17-2.20 |
g/cm3 |
|
|
Tensile strength |
72 |
Mpa |
a-b |
|
Compressive strength |
80 |
Mpa |
a-b |
|
Bending strength |
80 |
Mpa |
a-b |
|
Ash |
0.03 |
% |
|
|
Resistivity |
2 X 10-6 |
Ohm.cm |
a-b |
|
0.6X 10-6 |
Ohm.cm |
c |
|
|
Thermal conductivity |
0.9 |
K/cm.s.c |
a-b |
|
0.005 |
K/cm.s.c |
c |
|
|
C.T.E. |
3.2 |
x10-6/k |
a-b |
|
3.3 |
x10-6/k |
c |
|
|
Diamagnetic properties |
21.7 X10-6 |
cgs/g2000°C |
a |
|
2.88 X10-6 |
cgs/g2000°C |
c |
|
|
27.5 X 10-6 |
cgs/g2000°C |
t |
|
|
Distance between layers |
3.45 |
A |
|
|
Normal size |
32 x 16 x 1mm |
32 x 16 x 3mm |
50 x 50 x 3mm |
|
50 x 50 x 5mm |
100 x 90 x 3mm |
300 x 90 x 2-5mm |
|
Graphite/carbon felt
|
|
Unit |
Directives |
|
|
Bulk density () |
g/cm3(min) |
0.13/0.15/0.18 |
|
|
C |
Graphitized |
%(min) |
99 |
|
Ash |
Graphitized |
%(max) |
0.08 |
|
Thermal Conductivity (1000°C) |
W/m.k |
0.3 |
|
|
C.T.E. |
1000°C |
x10-6/k |
3.5 |
|
2000°C |
6.0 |
||
|
Compressive strength |
Mpa (min) |
0.55 |
|
|
Tensile strength |
Mpa (min) |
0.69 |
|
|
Normal Size |
550 X 450 X 8-15mm |
3000 X 1100 X 8-15mm |
|
Expandable graphite
|
Brand No. |
VOLATILE (%)< |
Ash (%) < |
Moisture |
PH VALUE |
PARTICLE SIZE (%)> |
EXPANSION MULTIPLE |
|
99 32 300 |
15 |
1 |
1 |
3-7 |
75 |
300 |
|
99 32 280 |
15 |
1 |
1 |
3-7 |
75 |
280 |
|
85 32 150 |
15 |
15 |
1 |
3-7 |
75 |
150 |
|
99 50 250 |
15 |
1 |
1 |
3-7 |
75 |
250 |
|
95 50 250 |
15 |
5 |
1 |
3-7 |
75 |
250 |
|
85 50 250 |
15 |
15 |
1 |
3-7 |
75 |
250 |
|
85 50 180 |
15 |
15 |
1 |
3-7 |
75 |
180 |
|
99 80 200 |
15 |
1 |
1 |
3-7 |
75 |
200 |
|
95 80 200 |
15 |
5 |
1 |
3-7 |
75 |
200 |
|
85 80 150 |
15 |
15 |
1 |
3-7 |
75 |
150 |
|
85 100 120 |
15 |
15 |
1 |
3-7 |
75 |
120 |
|
85 120 100 |
15 |
15 |
1 |
3-7 |
75 |
100 |
Flexible graphite sheet
|
Density (g/cm3) |
Melting point(°C) |
Tensile (kg/cm2) |
Compressibility (%) |
|
|
0.9-1.1 |
3780 |
40 – 60 |
30–35 |
|
|
1.3-1.5 |
3790 |
50 – 70 |
25-30 |
|
|
1.5-1.8 |
3800 |
60 – 80 |
20–25 |
|
|
Size: |
Thickness : 0.2-3mm |
Width: 500mm-1000mm |
||
Micronized graphite
|
Type |
Carbon (%) |
Size |
Passing rate(weight)%≥ |
Moisture (%)≤ |
|
|
mesh |
um |
||||
|
M6 |
85-99 |
600 |
26 |
85 |
0.5 |
|
M8 |
85-99 |
800 |
18 |
85 |
0.5 |
|
M10 |
85-99 |
1000 |
15 |
85 |
0.5 |
|
M12 |
85-99 |
1200 |
12.6 |
85 |
0.5 |
|
M15 |
85-99 |
1500 |
10 |
75 |
0.5 |
|
M21 |
85-99 |
2100 |
8 |
75 |
0.5 |
|
M30 |
85-99 |
3000 |
5 |
75 |
0.5 |
CFC bolts and nuts
|
Density |
1.70 |
1.76 |
g/cm3 |
|
|
Metal impurity |
<75 |
<75 |
ppm |
|
|
Bending strength |
150 |
160 |
MPa |
|
|
Compressive strength |
180 |
200 |
MPa |
|
|
Resistivity |
16-38 |
18-45 |
Ωmm2/m |
|
|
Conductivity |
horizontal |
10-12 |
10-12 |
W/mk |
|
vertical |
4-5 |
4-5 |
W/mk |
|
|
C.T.E |
horizontal |
0-0.5×10-6 |
1-20×10-6 |
m/k |
|
vertical |
4-5.5×10-6 |
6-8.5×10-6 |
m/k |
|
|
Highest temperature |
air |
400 |
400 |
°C |
|
vacuum |
2500 |
2500 |
°C |
|
|
Inert gas |
3500 |
3500 |
°C |
|
|
Heat treatment temperature |
>2200 |
>2200 |
°C |
|