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99.9% High Pure Flexible Graphite Gasket Sheet 1.8g/Cm³ Density

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Anqing Cling-Seal Manufactory Co., Ltd.
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City:anqing
Province/State:anhui
Country/Region:china
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99.9% High Pure Flexible Graphite Gasket Sheet 1.8g/Cm³ Density

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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
Machinability :Ease of Cutting/Shaping
Cutting Method :Laser/Waterjet Cutting
Surface Treatment :Smooth/Textured Finish
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Products Description

1.8g/cm³ High-Density Flexible Graphite Sheets

Flexible graphite products include sheets, foils, papers, tapes, and strips. These materials are manufactured through chemical intercalation of natural flake graphite followed by high-temperature exfoliation, forming vermicular structures with 0.003g/cm³ density. The expanded graphite is calendared into binder-free rolls, then processed to achieve:

  • 1.8g/cm³ controlled density
  • 99%+ purity
  • Chemical inertness
  • Radiation resistance
  • Thermal stability (-200°C to +650°C)
  • Compression recovery
  • Self-lubricating properties
  • Gas-tight sealing

These features make high-density sheets ideal for demanding sealing applications. Composite options with metal reinforcement available.

Key Applications:

  1. High-pressure packing rings
  2. Custom-shaped gaskets for industrial machinery
  3. Thick insulation pads for high-temperature systems
  4. Sealing components for chemical processing equipment

Technical Specifications:

  • Density: 1.8g/cm³ (customizable from 0.8-2.0g/cm³)
  • 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
  • Material Options: Pure graphite / metal-reinforced composites
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

99.9% High Pure Flexible Graphite Gasket Sheet 1.8g/Cm³ Density

99.9% High Pure Flexible Graphite Gasket Sheet 1.8g/Cm³ Density

99.9% High Pure Flexible Graphite Gasket Sheet 1.8g/Cm³ Density

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