Technical Specifications

Unit

Measure ambient temperature （℃)

HighPuritySol idification Felt

（S-level）

密度(Volume Density)

g/cmᶟ

20℃

0.15-0.30max

Specific Resistance

Longitudinal

Ω-mm

20℃

2.0*10^^-4

Transverse

Ω-mm

20℃

3.5*10^^-4

compressive strength（5%deformation）

Longitudinal

Mpa

20℃

1.8

Transverse

Mpa

20℃

1.3

bending strength（5%deformation）

Longitudinal

Mpa

20℃

2.3

Transverse

Mpa

20℃

1.8

Heat shrinkage rate 

10^^-6

3000℃

2.5±0.5

Water Absorption（90%relative humidity）

weight%

20℃

<0.1%

Carbon Content

%

25*℃

≥99.9

Ash Content

PPM

25℃

≤5PPM

Specific Heat（average)

W-sec/(g.K)

1400℃

1.72

Sublimation Temperature 

℃

\

3600

Thermal Conductivity

W/(m-K)

1400℃

vacuum：0.25

argon：0.35

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

Technical Specifications

Unit

Measure ambient temperature （℃)

Ultra high purity graphite soft felt

(S-level)

(HighPurity Graphite felt)

Volume Density

g/cmᶟ

20℃

0.06-0.10max

Specific Resistance

Ω-m

20℃

6-9*10^^-3

tensile strength（5%deformation）

MPA

25℃

0.10-0.25

Heat shrinkage rate

10^^-6

0-3000℃

2.5±0.5

 Water Absorption

weight%

\

<0.1%

（90%relative humidity)

Carbon Content

%

25℃

≥99.9

Ash Content

PPM

25℃

≤5PPM

Specific Heat（average）

W.sec/(g-K)

1400℃

1.72

Sublimation Temperature

℃

\

3600

Thermal Conductivity

w/(m-K)

1400℃

vacuum：0.14

argon：0.18

Processing Temperature

℃

\

≥2220

Available Size

MM

\

Lengthmm:3000-12000

Widthmm:1000-1400

Thicknessmm :3 -25