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{"title":"Reinforced Flexible Graphite Gasket Material 99% C Content Creep Resistant","imgUrl":"https:\/\/img.chinax.com\/nimg\/40\/e4\/42498a2c46558b494f6c48bf5996-200x200-1\/reinforced_flexible_graphite_gasket_material_99_25_c_content_creep_resistant.jpg","attrs":{"Brand Name":"CLINGSEAL","Model Number":"CSG80","Certification":"ISO,SGS","Place of Origin":"CHINA"}}
{"title":"Custom Cut Graphite Gasket Sheet Supplier","imgUrl":"https:\/\/img.chinax.com\/nimg\/40\/e4\/42498a2c46558b494f6c48bf5996-200x200-1\/custom_cut_graphite_gasket_sheet_supplier.jpg","attrs":{"Brand Name":"CLINGSEAL","Model Number":"CSG80","Certification":"ISO,SGS","Place of Origin":"CHINA"}}
{"title":"High Density Flexible Graphite Sealing Material","imgUrl":"https:\/\/img.chinax.com\/nimg\/40\/e4\/42498a2c46558b494f6c48bf5996-200x200-1\/high_density_flexible_graphite_sealing_material.jpg","attrs":{"Brand Name":"CLINGSEAL","Model Number":"CSG80","Certification":"ISO,SGS","Place of Origin":"CHINA"}}
{"title":"Ultra-Thin Flexible Graphite Gasket Sheet","imgUrl":"https:\/\/img.chinax.com\/nimg\/55\/d1\/9c8b40e7f4e3ed5ecfbe6e2c06e1-200x200-1\/ultra_thin_flexible_graphite_gasket_sheet.jpg","attrs":{"Brand Name":"CLINGSEAL","Model Number":"CSG80","Certification":"ISO,SGS","Place of Origin":"CHINA"}}
{"title":"Flexible Graphite Sheet for Valve Sealing","imgUrl":"https:\/\/img.chinax.com\/nimg\/44\/0f\/0e08b7828753989419e7606b2a7b-200x200-1\/flexible_graphite_sheet_for_valve_sealing.jpg","attrs":{"Brand Name":"CLINGSEAL","Model Number":"CSG80","Certification":"ISO,SGS","Place of Origin":"CHINA"}}
{"title":"Graphite Gasket Supplier for Compressors","imgUrl":"https:\/\/img.chinax.com\/nimg\/ac\/48\/c2616dcd0a9b318f474a86550616-200x200-1\/graphite_gasket_supplier_for_compressors.jpg","attrs":{"Brand Name":"CLINGSEAL","Model Number":"CSG80","Certification":"ISO,SGS","Place of Origin":"CHINA"}}
{"title":"High-Performance Graphite Gasket Sheet With Flexible Graphite Layers For Zero","imgUrl":"https:\/\/img.chinax.com\/nimg\/6a\/90\/af70bd5c57856e29aaebfb4edc33-200x200-1\/high_performance_graphite_gasket_sheet_with_flexible_graphite_layers_for_zero_leakage_and_surface_imperfection_compensation.jpg","attrs":{"Brand Name":"CLINGSEAL","Model Number":"CS1080T","Certification":"ISO,SGS","Place of Origin":"CHINA"}}
Material Composition & Production Reinforced flexible graphite gasket material is manufactured through a multi-stage process: Natural graphite flakes undergo chemical intercalation and thermal expansion (1000-1200°C), generating expanded graphite with a bulk density of 3.2 kg/m³. This base material is then mechanically reinforced with stainless steel mesh (304/316L) or perforated alloy foils through high-pressure lamination, creating a hybrid structure that combines graphite's inherent properties with metallic reinforcement.
Structural Advantages
Enhanced Tensile Strength: 15-25 MPa vs. 5-8 MPa for non-reinforced grades
Pressure Adaptability: Effective sealing from vacuum (10⁻³ Pa) to 40 MPa systems
Thermal Bridging: Reduced heat transfer across sealed interfaces (Thermal conductivity: 5-20 W/m·K adjustable)
Operational Performance
Temperature Range: -240°C (cryogenic) to +850°C (oxidizing environments)
Chemical Compatibility: Resists 98% concentrated H₂SO₄, 50% NaOH, and hydrocarbon fluids
Creep Resistance: <0.2% permanent deformation after 2000h at 300°C/25 MPa
Industrial Applications
High-Pressure Energy Systems:
Oil & gas wellhead sealing (API 6A/ISO 10423 compliant)
Hydrogen compressor valve stack gaskets
Heavy Industrial Machinery:
Turbine flange seals for power generation
Hydraulic press platen insulation
Transportation Engineering:
Fuel cell bipolar plate sealing in hydrogen vehicles
High-speed train brake system thermal barriers
Process Industry:
Reactor manway seals in petrochemical plants
Pharmaceutical autoclave door gaskets (FDA 21 CFR 177.2600)
Technical Specifications
Parameter
Reinforced Coil
Reinforced Plate
Core Thickness
0.3-1.2mm
1.5-6.0mm
Reinforcement
SS304/Inconel mesh
Titanium perforated foil
Working Pressure
≤25 MPa
≤40 MPa
Density
1.1-1.8 g/cm³
1.5-2.2 g/cm³
Standard Width
1200/1500mm
1000/1500/2000mm
Customization Options
Multi-layer staggered reinforcement patterns
Edge welding protection for corrosive media
Pre-cut gaskets with alignment dowel holes
Fire-safe certification (API 607/ISO 10497)
This engineered material achieves 50% longer service life than conventional graphite gaskets in pulsating pressure conditions, validated through ASTM F586 5000-cycle test protocols. Its hybrid design enables simultaneous sealing and structural load-bearing capabilities, particularly critical in modular equipment and compact flange configurations.
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
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Seller
Year Established:
2005
Total Annual:
6000000-7000000
Employee Number:
20~30
Ecer Certification：
Verified Supplier
Cling - Seal Manufacturing Co., Ltd. stands as a paragon in the global gasket manufacturing and export domain. With a resounding 20 - year tenure in the Chinese market and a remarkable 17 - year presence in the international arena, we have amassed over two decades of unrivaled expertise in crafting ... Cling - Seal Manufacturing Co., Ltd. stands as a paragon in the global gasket manufacturing and export domain. With a resounding 20 - year tenure in the Chinese market and a remarkable 17 - year presence in the international arena, we have amassed over two decades of unrivaled expertise in crafting ...
