Technical Specifications

Unit

Temperature（℃）

PAN based hard felt

Volume Density

g/cmᶟ

20℃

0.2-0.3max

Specific Resistance

Longitudinal

Q-mm

20℃

2*10^^-4

Transverse

Q-mm

20℃

4.5*10^^-4

compressive strength（5%deformation）

Longitudinal

MPA

20℃

3.2

Transverse

MPA

20℃

2.3

bending strength（5%deformation）

Longitudinal

MPA

20℃

2.83

Transverse

MPA

20℃

2.15

Heat shrinkage rate 

3000℃

3*10^^-6

Water Absorption 

weight%

20℃

1%

At 90% relative humidity

Carbon Content

%

25℃

≥99

Ash Content

PPM

25℃

≤500PPM

Specific Heat（average）

W.sec/(g. K)

1000℃

1.72

Sublimation Temperature

℃

\

3600

Thermal Conductivity

w/(m-K)

1000℃

vacuum：0.20

argon：0.27

Processing Temperature

℃

\

≥2200

Available Size

mm

\

board：≤1600

barrel：Φ≤1600

thickness：20-200

External surface treatment 

\

\

1: Paste graphite thin paper

2: Attach carbon fiber cloth