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50MPa Compressive Strength Graphite Gasket Sheet Radiation Resistant

Categories Graphite Gasket Sheet
Brand Name: CLINGSEAL
Model Number: CSG80
Certification: ISO,SGS
Place of Origin: CHINA
MOQ: 500kg
Price: 2.2USD PER KG
Payment Terms: T/T, Western Union, MoneyGram
Supply Ability: 500Tons per month
Delivery Time: 20 days
Packaging Details: pallet/wooden case
Grade: Industrial Grade
Type: Flexible Sheet
Application: gaskets
C content (%): 99.9%
Thickness: Customers' Demand
Material: Graphite,High pure graphite
Dimensional Stability: Low Thermal Expansion
Compressive Strength: Max Pressure Resistance
Hardness: Shore Hardness
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50MPa Compressive Strength Graphite Gasket Sheet Radiation Resistant

Products Description

50MPa Compressive Strength Graphite Gasket

Flexible graphite products include sheets, foils, papers, tapes, and strips. These materials are manufactured by chemically intercalating natural flake graphite followed by high-temperature exfoliation, resulting in vermicular graphite structures with approximately 0.003g/cm³ density. The binder-free expanded graphite is calendared into rolls, offering:

  • 99%+ purity
  • Chemical inertness
  • Radiation resistance
  • Thermal stability (-200°C to +650°C)
  • 49.50MPa compressive strength
  • High compression recovery
  • Self-lubricating properties
  • Gas-tight sealing performance

These features make them ideal for critical low-pressure sealing applications. Composite options with metal reinforcements are available.

Industrial Applications:

  1. High-strength packing rings for pumps/valves
  2. Custom-shaped gaskets via laser cutting
  3. Thick insulation pads for high-temperature environments
  4. Sealing solutions for chemical processing equipment

Key Specifications:

  • Compressive Strength: 49.50MPa (ASTM F36)
  • Roll Dimensions:
    • Width: 1000mm / 1500mm
    • Length: 30m / 50m / 80m
  • Sheet Size: 1000x1000mm / 1500x1500mm
  • Thickness Range:
    • Rolls: 0.15-1.0mm
    • Sheets: 1.0-5.0mm
  • Density: 0.8-1.25g/cm³
  • Material Options: Pure graphite / metal-reinforced composites
ItemStandard Value
C concentration99%
S concentration<1000ppm
chlorine concentration<45ppm
tensile strength4.5MPa
compressibility>40%
recovery>10%
Temperature-200ºC-600ºC
Pressure20MPa
Terence of Thickness-0.04mm~+0.04mm
Terence of DimensionIn accordance with your Gasket size
Terence of Density-0.06~g/cm3+0.06gcm3

Grades Separate :JB/T53392-1999
Mechanical DataQualified productTop GradeSuperior Grade
Density Tolerance
g/cm3
<0.4±0.10
±0.05
0.4±0.07
Tensile Strength MPa3.24.55.0
Compression Ratio %35~55
Rebound Rate %91112
Stress relaxation rate %10
Ash %6.03.01.0
Heat loss on ignation %450ºC1.00.5
600ºC2015

Sulphur content
1500ppm1000ppm600ppm

Chloride content
100ppm50ppm20ppm


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