Products Description
1mm Thick Flexible Graphite Gasket Sheet
Flexible graphite products include sheets, foils, papers, tapes, and strips. Manufactured through chemical intercalation and thermal exfoliation of natural flake graphite, these materials form vermicular structures with ~0.003g/cm³ density. The binder-free expanded graphite is rolled into coils, offering:
- 99%+ purity
- Chemical resistance
- Radiation tolerance
- Thermal stability (-200°C to +650°C)
- Compression resilience
- Self-lubricating properties
- Gas-tight sealing
Ideal for low-pressure applications, these sheets can be laminated with metal for composite solutions.
Key Applications:
- Packing rings for valves/pumps
- Custom-shaped gaskets via die cutting
- High-temperature insulation in machinery
1mm Standard Specifications:
- Roll Width: 1000mm / 1500mm
- Coil Length: 30m / 50m / 80m
- Sheet Size: 1000x1000mm / 1500x1500mm
- Density: 0.8-1.25g/cm³
- Material Grade: Pure graphite (no fillers)
Customization Options:
- Thickness variations (0.15-5.0mm)
- Composite reinforcements (stainless steel/copper)
- Die-cut shapes for specialized applications
Item | Standard Value |
C concentration | 99% |
S concentration | <1000ppm |
chlorine concentration | <45ppm |
tensile strength | 4.5MPa |
compressibility | >40% |
recovery | >10% |
Temperature | -200ºC-600ºC |
Pressure | 20MPa |
Terence of Thickness | -0.04mm~+0.04mm |
Terence of Dimension | In accordance with your Gasket size |
Terence of Density | -0.06~g/cm3+0.06gcm3 |
Grades Separate :JB/T53392-1999 Mechanical Data | Qualified product | Top Grade | Superior Grade |
Density Tolerance g/cm3 | <0.4 | ±0.10 | ±0.05 |
≥0.4 | ±0.07 |
Tensile Strength MPa | ≥3.2 | ≥4.5 | ≥5.0 |
Compression Ratio % | 35~55 |
Rebound Rate % | ≥9 | ≥11 | ≥12 |
Stress relaxation rate % | ≤10 |
Ash % | ≤6.0 | ≤3.0 | ≤1.0 |
Heat loss on ignation % | 450ºC | ≤1.0 | ≤0.5 |
600ºC | ≤20 | ≤15 |
Sulphur content | ≤1500ppm | ≤1000ppm | ≤600ppm |
Chloride content | ≤100ppm | ≤50ppm | ≤20ppm |
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