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{"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"}}
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{"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"}}
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Graphite Gasket Technical Consultation Your One-Stop Source for Custom Sealing Solutions
Flexible graphite materials, including sheets, foils, papers, tapes, and strips, are engineered through advanced chemical intercalation and thermal exfoliation processes. Natural graphite flakes undergo controlled expansion at high temperatures to form worm-like structures with a density of ~0.003g/cm³. These expanded graphite rolls are binder-free, ensuring:
99.5%+ purity
Chemical resistance
Radiation tolerance
Thermal stability (-200°C to +650°C)
Compression recovery
Self-lubricating properties
Gas-tight sealing
Graphite Gasket Applications Our technical experts recommend these materials for:
Valve and pump packing rings
Custom-engineered flange gaskets
High-temperature insulation systems
Composite seals with metal reinforcement
Technical Specifications
Parameter
Standard Range
Custom Options
Roll Width
1000mm / 1500mm
500-2000mm
Coil Length
30m / 50m / 80m
Cut-to-length up to 100m
Thickness
0.15-5.0mm (sheets/rolls)
0.1-10mm (special orders)
Density
0.8-1.25g/cm³
0.6-1.5g/cm³ (adjustable)
Why Choose Our Graphite Gaskets?
No curing required
Low outgassing properties
UL/cSFM compliant grades
ISO 9001:2015 certified manufacturing
Technical Consultation Services Our team provides:
Application-specific material selection
Finite Element Analysis (FEA) for gasket performance
CAD design support for custom shapes
Compatibility testing with your operating media
Contact us today for a free graphite gasket technical consultation. We specialize in solving complex sealing challenges across industries.
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 ...