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99.9% Flexible Graphite Gasket Sheet Roll Radiation Resistant Customizable

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: Customizable
Material: Graphite,High-pure graphite
Customization: Tailored Dimensions/Shapes
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99.9% Flexible Graphite Gasket Sheet Roll Radiation Resistant Customizable

Products Description

Flexible Graphite Products Overview

Material Composition & Production
Derived from natural graphite flakes, flexible graphite products—including sheets, foil, tape, and strips—undergo a specialized manufacturing process. Raw graphite is chemically treated and thermally expanded at high temperatures, forming exfoliated "graphite worms" with a bulk density of ~0.003 g/cm³. These expanded particles are then compressed into rolls or sheets without binders or fillers, ensuring high purity and enhanced performance.

Key Characteristics

  • Environmental Resistance: Excellent corrosion, radiation, and extreme temperature tolerance (-200°C to +3000°C).

  • Mechanical Properties: Superior compression resilience, self-lubrication, and impermeability for effective low-pressure sealing.

  • Hybrid Compatibility: Combines with metal sheets to create reinforced graphite-metal composite plates.

Primary Applications

  1. Sealing Components: Used as core material for graphite packing rings and custom-shaped gaskets.

  2. Composite Fabrication: Bonded with metal layers to produce multi-functional sealing sheets, cut into complex geometries.

  3. Direct Industrial Use: Processed into thick plates for manufacturing low-pressure seals or high-temperature insulation pads.

Standard Specifications

  • Dimensions:

    • Width: 1000mm / 1500mm

    • Coil Length: 30m, 50m, or 80m

    • Thickness: 0.15–1.0mm (coils) / 1.0–5.0mm (plates)

  • Density Range: 0.8–1.25 g/cm³

  • Custom Options: Tailored sizes, densities, or hybrid configurations available for specialized requirements.

Ideal for aerospace, energy systems, and industrial machinery, this material delivers reliability in demanding environments while adhering to strict purity and safety standards.

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


Quality 99.9% Flexible Graphite Gasket Sheet Roll Radiation Resistant Customizable for sale
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