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Expandable Graphite
Type:Graphite Products  From:Hensen Graphite  Time:2011/9/5 23:03:31  Read:

The Expandable Graphite still retains the characteristics of natural flake graphite, and also has good expandability, loose and porous. Its heat-resistant range under the oxygen-free environment is between -200 to 3000℃, and it is chemically stable under high temperature, pressure or radiation. When the Expandable Graphite was treated in a twinkling at high temperature, the form of flake is turned into that of worm, and the volume can expand from 100 to 400 times.
It is widely used in the dynamic and static seals in petroleum industry, chemical industry, electric industry, space industry, and automobile industry, etc.
In order to satisfy the market needs, we have developed Ultra Low Sulfur Expandable Graphite in recent years.

Common Expandable Graphite

Grades Fixed
carbon
(%)
Ash
(%)
Volatile
(%)
Expansion
Ratio (%)
Sulfur Content PH
Value
Moisture
(%)
Particle Size
Screen
Oversize(%)
Pre-
expansion
(ppm)
Post-
expansion
(ppm)
HSKP32 90-99.9 ≤8.0 ≤10 200-400 ≤1000 ≤800 3-7 ≤1.0 ≥80
HSKP50 200-350
HSKP80 150-250
HSKP100 100-200

 

 

 

 

Ultra Low Sulfur Expandable Graphite

Grades Fixed
carbon
(%)
Ash
(%)
Volatile
(%)
Expansion
Ratio (%)
Sulfur Content PH Value Moisture
(%)
Particle Size
Screen
Oversize(%)
Pre-
expansion
(ppm)
Post-
expansion
(ppm)
HSKP32 90-99.9 ≤8.0 ≤12 200-400 ≤800 ≤200 3-7 ≤1.0 ≥80
HSKP50 200-350
HSKP80 150-250
HSKP100 100-200

 

 

 

 

The above technical indexes, including trace elements contents, can be adjusted according to the user’s different requirements.

【Expandable Graphite】
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Qingdao Hensen Graphite Co., Ltd|Spherical graphite|AA Method High Purity|Expandable Graphite