| S4100 EXPANDED GRAPHITE ROLLING (SHEETS) |
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Natural graphite flake is chemically treated to
form Graphite |
| Intercalation Compound. This intercalation
compound is then rapidly heated to decomposition. The result is a
rapid expansion of the particle size. The bulk density of the worm-like
graphite powders is about 0.003g/cc. Then they are formed into graphite
sheets by rolling. |
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| Principal applications: |
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Glands |
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Gaskets used in flanges, covers of observation
holes, level meters. |
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Direct attach to the metal surfaces for gas
phase sealing effectively. |
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Especially the expanded graphite rolls can
be used as a material for automatic producing lines. |
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| Specification of expanded graphite
rolling |
| Item |
Unit |
Value |
| Tolerance of density |
g/cm3 |
-0.06~+0.06 |
| Tolerance of thickness |
mm |
-0.04~+0.04 |
| Carbon content |
% |
99 |
| Tensile strength |
MPa |
4.5 |
| Compressibility |
% |
>40 |
| Recovery |
% |
>10 |
| Sulphur content |
ppm |
<1100 |
| Chlorine content |
ppm |
<45 |
| Temperature |
°C |
-200~+600 |
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| Rolling sheet size: |
| Density(g/cm3) |
Length(m) |
Width(mm) |
Thickness(mm) |
0.8(or)
1.0(or)1.1 |
30,50,80,or other size |
<=1500 recommend use 1000mm |
0.2~1.0 recommend use 0.2, 0.25,0.3,0.4,0.5,0.6,0.75,0.8mm |
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| Special specification can be production
for require. |
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