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Help CenterHeat Resistant Pipe Insulation/hard Composite Graphite Felt/ Heat Insulation Felt in Vaccum Furnace/ in the Air<400 Vacuum:>2200
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Specifications
1.high electrical conductivity2.excellent heat insulation
3.ideal structure strength
4.3k carbon fiber fabric
Hard Composite Carbon Felt (JX-HCF)
Property |
JX-HCF Graphite paper based |
JX-HCF Carbon fabric based |
|||
Item |
Unit |
Value |
Value |
||
Carbon content |
% |
≥98 |
≥98 |
||
Bulk density |
g/m3 |
0.25-0.30 |
0.25-0.30 |
||
Thermal conductivity |
1150ºC W/(m.k) |
0.25-0.35 |
0.25-0.35 |
|
|
Folding strength |
Mpa |
1.5-3.2 |
1.8-3.4 |
|
|
Bending strength |
Mpa |
1.0-2.5 |
1.5-3.0 |
||
Crushing stress at 5% compression |
N/cm2 |
0.6 |
0.8 |
||
Ash |
ppm |
≤500 |
≤500 |
||
Processing temperature |
ºC |
1800 |
|||
|
Operating temperature ºC |
In the air |
≤400 |
|||
Vacuum |
≥1800 |
||||
In the Inert atmosphere |
≥3200 |
||||
Board dimension |
Thick |
20-250mm |
|||
Width |
1000,1300mm |
||||
Length |
1500,1800mm |
||||
Tube dimension |
Diameter |
Dia200-dia1500mm |
|||
Wall thick |
30-120mm |
||||
Height |
300-2000mm |
||||
|
|||||
The hard composite carbon felt is formed by graphite paper, Pan-based carbon felt, Pan-based carbon fabric by the process of curing sizing and secondary high temperaure purification treatment. The material is superior in ablation resistance performance, thermal shock resistance performance, airflow washing proof performance and heat insulation performance , manily used in the vacuum metallurgy industry furnace, for example, high temperature quenching furnace, low pressure sintering furnace and pressurization vacuum sintering furnace.
Hard composite Graphite Felt (JX-HGF)
The hard composite graphite felt is formed by graphite paper, PAN-based graphite felt, PAN-based carbon fabric by the process of curing sizing and secondary high temperature purification treatment. The material has high carbon content and superior in ablation resistance performance, thermal shock resistance performance, airflow washing proof performance and heat insulation performance. It’s mainly used in ultra-high-temperature high pressure vacuum sintering furnace, solar industry, semiconductor industry and electronic industry.
Property |
JXHGF Graphite paper based |
JXHGF Carbon fabric based |
|||
Item |
Unit |
Value |
Value |
||
Carbon content |
% |
≥99 |
≥99 |
||
Bulk density |
g/m3 |
0.25-0.28 |
0.25-0.28 |
||
Thermal conductivity |
1150ºC W/(m.k) |
0.20-0.30 |
0.20-0.30 |
|
|
Folding strength |
Mpa |
1.3-3.0 |
1.75-3.2 |
|
|
Bending strength |
Mpa |
1.0-2.5 |
1.5-3.0 |
||
Crushing stress at 5% compression |
N/cm2 |
0.4 |
0.7 |
||
Ash |
ppm |
≤200 |
≤200 |
||
Processing temperature |
ºC |
2500 |
|||
|
Operating temperature ºC |
In the air |
≤400 |
|||
Vacuum |
≥2200 |
||||
In the Inert atmosphere |
≥3200 |
||||
Board dimension |
Thick |
20-250mm |
|||
Width |
1000,1300mm |
||||
Length |
1500,1800mm |
||||
Tube dimension |
Diameter |
Dia200-dia1500mm |
|||
Wall thick |
30-120mm |
||||
Height |
300-2000mm |
||||
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