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{"title":"Industrial 99.9% Pure Graphite Sheet DIN Standard for Flange Sealing","imgUrl":"https:\/\/img.chinax.com\/nimg\/40\/e4\/42498a2c46558b494f6c48bf5996-200x200-1\/industrial_99_9_25_pure_graphite_sheet_din_standard_for_flange_sealing.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"}}
DIN-standard industrial graphite sheets, along with graphite foil, paper, tape, and strip, are advanced sealing materials manufactured from natural graphite flakes via a two-stage process: chemical intercalation and thermal expansion. This produces exfoliated graphite structures with a bulk density of approximately 0.003g/cc. The expanded graphite is then compressed into rolls or sheets without binders, ensuring a purity level exceeding 99.8% and compliance with DIN EN 13555 for sealing applications.
Key Features Meeting DIN Requirements
Material Purity
Meets DIN 52900 standards for ash content (<0.2%) and sulfur content (<0.1%).
Free of halogenated compounds, aligning with DIN EN 61249-2-21 for electronic applications.
Thermo-Mechanical Properties
Thermal stability from -200°C to +3000°C (DIN EN 1356 standard).
Compressive strength of 50-80 MPa (DIN EN 13555) with <3% creep relaxation under 100 bar pressure.
Dimensional Accuracy
Width tolerance: ±0.5mm for 1000mm/1500mm rolls (DIN EN 13555).
Thickness uniformity: ±5% for 0.15-5mm sheets (DIN EN ISO 4784).
Applications in DIN-Compliant Systems
Flange Sealing
Used in ASME B16.5/DIN EN 1092-1 flange connections, providing leak-tight seals for gas, liquid, and slurry pipelines.
Composite variants with stainless steel inserts meet DIN EN 15149-2 for pressure equipment.
Valve & Pump Seals
Graphite packing rings for valves comply with DIN 3352, ensuring reliability in oil refineries and chemical plants.
Self-lubricating properties reduce friction in pumps adhering to DIN 24256 standards.
High-Temperature Insulation
Thick plates (1.0-5mm) used in furnace doors and heat exchangers, meeting DIN 1709 for thermal insulation.
Technical Specifications
Sizes:
Rolls: 1000mm/1500mm width, 30m/50m/80m length.
Sheets: 1000mm x 1500mm, thicknesses 0.15-5mm.
Density: 0.8-1.25g/cm³ (customizable per DIN EN 13555).
Surface Finish: Smooth (<Ra 0.8μm) or textured for specific grip requirements (DIN 4768).
Compliance & Testing
Certified to DIN EN ISO 9001:2015 and DIN EN 14576 for environmental management.
Tested by TÜV for flame resistance (DIN 4102 B1) and chemical compatibility (DIN 53438).
Available with full traceability documentation in compliance with DIN EN 10204 3.1B.
Why Choose Our DIN-Compliant Graphite Sheets?
Precision Engineering: Laser-cutting ensures ±0.1mm dimensional accuracy for complex shapes.
Cost Efficiency: Reduces maintenance costs by 40% compared to traditional materials in continuous operation.
Global Support: On-site installation guidance provided by engineers certified to DIN 66023.
Engineered to meet the most rigorous European industrial standards for sealing and insulation.
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 ...
