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Products Center >>Sealing Sheet |
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S-301 Flexible graphite roll
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MATERIALS: 3299 599 scale graphite
TEMPERATURE: -200～2000°C(in non-oxidate almosphere)
PRESSURE: 25MPa
MAIN USES: Cutting plate material and cutting pure graphite spacer to make washer to improve the sealing function.
SPECIFICATIONS: Thickness: 0.2-0.8mm, WidenessxLength: 700x20000mm, 1000x200000mm, 1500x20000mm
Main Technical Specificity of Flexible Graphite Roll & Sheet
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Item |
Grade A |
Grade B |
Grade C |
Grade D |
Carbon Content (%) |
99 |
99 |
99 |
98 |
Chloride Content (ppm) |
≤35 |
≤40 |
≤45 |
≤50 |
Tensile Strength (Mpa) |
≥5.0 |
≥4.5 |
≥4.0 |
≥4.0 |
Tolerance of Density (g/cm3) |
±0.05 |
±0.05 |
±0.06 |
±0.07 |
Tolerance of Thickness (mm) |
<1.0mm±0.03; 1.0-1.5mm±0.05; >1.5mm±0.1 |
Compressibility (%) |
≥40 (when density is 1.0g/cm3) |
Resilient Rate (%) |
≥20 (when density is 1.0g/cm3) |
Loss of Ignition (%) |
≤7 (under 450°C, burnt 3 hours)
≤18 (under 600°C, burnt 3 hours) |
Creep Relaxation Rate (%) |
≤22 |
Weight Increase Rate (%) |
≤20 (in Diesel oil)
≤20 (in Lubricant)
≤20 (in Gasoline) |
Seal Ability |
0.05%ml/hr |
Specification of Flexible Graphite Roll & Sheet:
Thickness (mm) |
Width (mm) |
Length (m) |
Density (g/cm3) |
Roll |
Sheet |
100-1500 |
50-200 |
0.7-1.5 |
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