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Oxidation Resistant Flexible Graphite Sheet For Automotive Exhaust Systems

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
C content (%): 99.9%
Application: gaskets
Type: Flexible Sheet
Thickness: Tailored Dimensions/Shapes
Material: High-pure graphite,Graphite,
Machinability: Ease of Cutting/Shaping
Oxidation Resistance: High - Temperature Oxidation Resistance
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Oxidation Resistant Flexible Graphite Sheet For Automotive Exhaust Systems

Products Description

his advanced material category encompasses oxidation-resistant graphite sheets, foils, tapes, and strips, engineered to withstand oxidative degradation while maintaining flexibility.

Manufacturing Innovation
Natural graphite undergoes acid intercalation followed by rapid thermal expansion (900-1200°C), creating vermiform expanded graphite with a porous density of 0.0032g/cm³. The oxidation-resistant variant incorporates proprietary antioxidant treatments during calendaring, eliminating binder dependency while enhancing air stability.

Performance Advantages

  • Oxidative Stability: Withstands continuous operation at 450°C in oxygen-rich environments (vs. 300°C standard grades)

  • Multi-Environmental Resistance:

    • Chemical: Resists acidic/alkaline corrosion (pH 0-14)

    • Thermal: Maintains integrity from -240°C to +2800°C (intermittent)

    • Mechanical: 90% compression recovery after 10,000 cycles

  • Hybrid Compatibility: Bonds with SUS304/Inconel sheets via diffusion welding for reinforced composites

Industrial Implementation

  1. High-Temperature Sealing: Oxidation-resistant packing rings for steelmaking furnace doors & gas turbine flanges

  2. Aerospace Thermal Management: Lightweight gaskets in rocket engine fuel lines and re-entry vehicle insulation

  3. Automotive Exhaust Systems: Custom-shaped composite gaskets for turbocharger housings and EGR valves

  4. Semiconductor Manufacturing: Ultra-clean seals in CVD chamber assemblies requiring oxidation control

Technical Specifications

ParameterCoilPlate
Width Range1000/1500mm1000/1500mm
Thickness0.15-1.0mm1.0-5.0mm
Density0.8-1.3g/cm³0.8-1.3g/cm³
Oxidation Limit450°C (continuous)500°C (intermittent)

Customization Options

  • Anti-oxidation coatings (SiC/Al₂O₃ nano-layer)

  • Pre-cut gasket patterns with laser precision

  • Multi-layer laminated structures with alloy meshes

Designed for extreme environments requiring simultaneous oxidation resistance and thermal management, this material series meets ASTM F104 Class 3 and DIN 28091-2 standards, offering 3X lifespan improvement over conventional graphite seals in oxidative conditions.

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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