MachineU > China Products > Tools & Hardware > Hardware > Gaskets
Specialized Graphite Sealing Gasket of Custom Thickness for High-Vacuum Deep-Cooling Systems in Petrochemical Refineries & Heavy Industrial Plants
Specialized Graphite Sealing Gasket of Custom Thickness for High-Vacuum Deep-Cooling Systems in Petrochemical Refineries & Heavy Industrial Plants
Specialized Graphite Sealing Gasket of Custom Thickness for High-Vacuum Deep-Cooling Systems in Petrochemical Refineries & Heavy Industrial Plants
Specialized Graphite Sealing Gasket of Custom Thickness for High-Vacuum Deep-Cooling Systems in Petrochemical Refineries & Heavy Industrial Plants
Specialized Graphite Sealing Gasket of Custom Thickness for High-Vacuum Deep-Cooling Systems in Petrochemical Refineries & Heavy Industrial Plants
Specialized Graphite Sealing Gasket of Custom Thickness for High-Vacuum Deep-Cooling Systems in Petrochemical Refineries & Heavy Industrial Plants
Specialized Graphite Sealing Gasket of Custom Thickness for High-Vacuum Deep-Cooling Systems in Petrochemical Refineries & Heavy Industrial Plants
Specialized Graphite Sealing Gasket of Custom Thickness for High-Vacuum Deep-Cooling Systems in Petrochemical Refineries & Heavy Industrial Plants
Specialized Graphite Sealing Gasket of Custom Thickness for High-Vacuum Deep-Cooling Systems in Petrochemical Refineries & Heavy Industrial Plants
Specialized Graphite Sealing Gasket of Custom Thickness for High-Vacuum Deep-Cooling Systems in Petrochemical Refineries & Heavy Industrial Plants
Specifications
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
Industry Application :
Oil & Gas, Chemical, Power
C content (%) :
99.9%
Surface Treatment :
Smooth/Textured Finish
Material :
Flexible Graphite
Customization :
Tailored Dimensions/Shapes
Ce Marking :
CE - Certified
Rohs Compliance :
Lead - Free/RoHS - Compliant
Flexural Strength :
40 MPa
Surfacefinish :
Smooth or textured
Sealing Performance :
Leak - Tight at High Pressures
Chemical Composition :
Stainless steel
Hardness :
Shore Hardness
Fatigue Resistance :
Repeated Stress Resistance
Standard Or Nonstandard :
Standard
Standard :
ASTM, AISI, JIS, EN, GB
Thickness :
1mm to 10mm
Pressureresistance :
Up to 40 MPa
Description

Specialized Graphite Sealing Gasket of Custom Thickness

For High-Vacuum Deep-Cooling Systems in Petrochemical Refineries & Heavy Industrial Plants

Products Description

Cling-Seal custom-thickness graphite gaskets are engineered specifically for high-vacuum, deep-cooling, and high-pressure operating environments in petrochemical refineries, chemical plants, and heavy industrial facilities. Built from high-purity expanded graphite with precision lamination and customizable forming, this series delivers reliable, long-term sealing performance under extreme temperature fluctuations, corrosive media, and ultra-low outgassing requirements.

Manufacturing Process

Produced from high-purity natural graphite flakes, our material undergoes chemical intercalation followed by rapid thermal expansion at 800–1000°C, creating worm-like expanded graphite with a bulk density of approximately 3 kg/m³. Without binders or chemical additives, the exfoliated graphite is compacted into rolls or sheets to achieve stable performance and carbon purity above 99%. This structure ensures excellent flexibility, thermal stability, and vacuum compatibility for critical industrial sealing systems.

Product Range

We provide a full suite of flexible graphite products for custom gasket fabrication, including:
  • Expanded graphite sheets
  • Graphite foil
  • Graphite tape
  • Graphite strips
  • Graphite paper

Standard Specifications

Flexible formats to support diverse processing, die-cutting, and assembly requirements.
Parameter Coil Type Sheet Type
Width 1000mm / 1500mm 1000mm / 1500mm
Length 30m / 50m / 80m —
Thickness 0.15–1.0mm 1.0–5.0mm
Density 0.8–1.25 g/cm³ 0.8–1.25 g/cm³
Note: Custom dimensions, thicknesses, and composite structures are available for OEM and project-based requirements.

Core Performance Indicators

Stable baseline properties for high-vacuum, deep-cooling, and petrochemical applications.
Item Standard Value
Carbon Concentration 99%
Sulfur Concentration ＜1000 ppm
Chlorine Concentration ＜45 ppm
Tensile Strength 4.5 MPa
Compressibility ＞40%
Recovery ＞10%
Operating Temperature -200°C ~ 600°C
Working Pressure Up to 20 MPa
Thickness Tolerance -0.04mm ~ +0.04mm
Dimension Tolerance Custom per drawing
Density Tolerance -0.06 ~ +0.06 g/cm³

Grade Classification (JB/T 53392-1999)

Three quality grades to match different industrial standards, equipment criticality, and project specifications.
Mechanical Data Qualified Product Top Grade Superior Grade
Density Tolerance
＜0.4 g/cm³
≥0.4 g/cm³		 ±0.10
±0.07		 ±0.05 ±0.05
Tensile Strength (MPa) ≥3.2 ≥4.5 ≥5.0
Compression Ratio (%) 35–55 35–55 35–55
Rebound Rate (%) ≥9 ≥11 ≥12
Stress Relaxation Rate (%) ≤10 ≤10 ≤10
Ash Content (%) ≤6.0 ≤3.0 ≤1.0
Heat Loss 450°C / 600°C ≤1.0 / ≤20 ≤0.5 / ≤15 ≤0.5 / ≤15
Sulfur Content (ppm) ≤1500 ≤1000 ≤600
Chloride Content (ppm) ≤100 ≤50 ≤20

Key Performance Benefits

  • Extreme Thermal & Vacuum Stability
    Stable performance from deep-cooling cryogenic temperatures up to high-temperature service; low outgassing ideal for high-vacuum systems.
  • Superior Chemical Resistance
    Resists acids, alkalis, hydrocarbons, and corrosive media commonly found in petrochemical and refining environments.
  • Strong Mechanical Reliability
    High compression recovery and low stress relaxation ensure leak-free performance under pressure cycling and long-term service.
  • Custom Composite Design
    Can be laminated with stainless steel or copper alloys for reinforced structural gaskets suitable for heavy-duty flanges and valves.

Typical Applications

  • Dynamic shaft seals and packing rings for pumps, valves, and compressors
  • Custom die-cut flange gaskets for pipelines, reactors, and pressure vessels
  • High-vacuum chamber seals and thermal barriers in deep-cooling systems
  • Heavy industrial seals for refineries, processing plants, and energy equipment

Cling-Seal Supply & Service Terms

  • Target Customers: Mainly overseas corporate buyers, factory procurement, engineering firms, and OEM industrial clients.
  • Shipping Origin: All orders shipped exclusively from China.
  • Individual Buyers: Accepted only if the buyer agrees to cover full international shipping costs for single-piece dropshipping. Orders cannot be processed without confirmed freight arrangements.

Specialized Graphite Sealing Gasket of Custom Thickness for High-Vacuum Deep-Cooling Systems in Petrochemical Refineries & Heavy Industrial Plants

Specialized Graphite Sealing Gasket of Custom Thickness for High-Vacuum Deep-Cooling Systems in Petrochemical Refineries & Heavy Industrial Plants

Specialized Graphite Sealing Gasket of Custom Thickness for High-Vacuum Deep-Cooling Systems in Petrochemical Refineries & Heavy Industrial Plants

Send your message to this supplier
Send Now

Specialized Graphite Sealing Gasket of Custom Thickness for High-Vacuum Deep-Cooling Systems in Petrochemical Refineries & Heavy Industrial Plants

Ask Latest Price
Watch Video
Product Detail
Brand Name :
CLINGSEAL
Model Number :
CSG80
Certification :
ISO,SGS
Place of Origin :
CHINA
MOQ :
500kg
Price :
2.2USD PER KG
Contact Supplier
video
Specialized Graphite Sealing Gasket of Custom Thickness for High-Vacuum Deep-Cooling Systems in Petrochemical Refineries & Heavy Industrial Plants
Specialized Graphite Sealing Gasket of Custom Thickness for High-Vacuum Deep-Cooling Systems in Petrochemical Refineries & Heavy Industrial Plants
Specialized Graphite Sealing Gasket of Custom Thickness for High-Vacuum Deep-Cooling Systems in Petrochemical Refineries & Heavy Industrial Plants
Specialized Graphite Sealing Gasket of Custom Thickness for High-Vacuum Deep-Cooling Systems in Petrochemical Refineries & Heavy Industrial Plants
Specialized Graphite Sealing Gasket of Custom Thickness for High-Vacuum Deep-Cooling Systems in Petrochemical Refineries & Heavy Industrial Plants

Anqing Cling-Seal Manufactory Co., Ltd.

Verified Supplier
2 Years
anhui, anqing
Since 2005
Business Type :
Manufacturer, Seller
Main Products :
Graphite Gasket Sheet, Reinforced Graphite Gasket Sheet, Non Asbestos Gasket Sheet
Total Annual :
6000000-7000000
Employee Number :
20~30
Certification Level :
Verified Supplier
Discover similar products
View More

Find Similar Products By Category:

Supplier Homepage Products Graphite Gasket Sheet
MachineU China Products Tools & Hardware Hardware Gaskets
Contact Supplier
Submit Requirement