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Flexible Graphite Foils/Sheets (XFY002)
Flexible graphite foils/sheets is made from flake graphite with high carbon content which is gone through chemical treatment, expanded under high temperature and by pressing and rolling up. It has the characteristics of high temperature resistance, corrosion resistance and good elasticity, and is the basic material for all kinds of reinforced graphite sheets, graphite tapes, packing and sealing gaskets.
Working temperature: –200 ~ 650ºC (in air), -200 ~ 3000ºC (in non-oxidizing media).
Specifications:
|
Thickness (mm) |
Width (mm) |
Length (mm) |
Density (g/cm3) |
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Foil
0.1 ~ 1.0 |
Sheet
0.2 ~ 6.0 |
≤2000 |
Sheet: 2000
Roll: ≤70M |
0.7 ~ 1.5 |
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Main Properties
|
Item |
Grade A |
Grade B |
Grade C |
Grade D |
|
Carbon Content (%) |
≥99.9 |
≥99.5 |
≥99 |
≥99 |
|
Sulphur Content (PPM) |
≤500 |
≤1000 |
≤1300 |
≤1500 |
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Chloride Content (PPM) |
≤35 |
≤40 |
≤45 |
≤50 |
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Tolerance of Density (g/cm3) |
±0.03 |
±0.03 |
±0.04 |
±0.05 |
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Tolerance of Thickness (mm) |
±0.02 |
±0.03 |
±0.04 |
±0.05 |
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Compression Rate (%) |
≥45 |
≥43 |
≥41 |
≥40 |
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Elastic Rate (%) |
≥13 |
≥12 |
≥11 |
≥10 |
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Tensile Strength (MPa) |
≥4.0 |
≥4.0 |
≥4.0 |
≥4.0 |
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Compression Strength (MPa) |
≥160 |
≥160 |
≥160 |
≥160 |
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