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ISO 9001 - Certified Graphite Gasket Manufacturing Solutions
Product Overview
Engineered from natural graphite flakes via a proprietary chemical intercalation and thermal expansion process, our flexible graphite materials—including sheets, foil, paper, tape, and strips—undergo rigorous quality control adhering to ISO 9001:2015 standards. The production process creates exfoliated graphite worms with a bulk density of 0.003g/cc, which are cold - rolled into binder - free coils. This results in materials with ≥99.8% purity and exceptional performance characteristics validated by third - party audits.
ISO 9001 Quality System Integration
Material Traceability
All raw materials are sourced from certified suppliers and tracked through blockchain technology for 100% product traceability.
Each batch undergoes XRF analysis to verify chemical composition compliance.
Process Control
Automated rolling mills maintain thickness tolerances within ±0.02mm for coils and ±0.1mm for plates.
Statistical process control (SPC) charts monitor critical parameters like compression ratio and expansion temperature.
Final Inspection
100% visual inspection for surface defects
Random sampling for physical testing (ASTM D696 for thermal expansion, ASTM F38 for stress relaxation)
Key Advantages for ISO - Compliant Clients
Performance Consistency
Density customizable between 0.8 - 1.25g/cm³ with batch - to - batch variation ≤5%
Operates reliably from cryogenic (-200°C) to 1650°C in oxidizing environments
Regulatory Compliance
RoHS/REACH compliant with full SVHC declarations
FDA - compliant grades available for food/pharmaceutical applications
Custom Solutions for ISO 9001 - Certified Clients
Gasket Fabrication:
CNC cutting for complex shapes (tolerances ±0.1mm)
Laser - marked part numbers for traceability
Composite Development:
Metal reinforcement options (stainless steel, nickel, tinplate)
Hybrid materials with PTFE or aramid fibers
Documentation:
Certificate of Conformance (CoC) with test data
FMEA analysis for critical applications
Manufacturing Capabilities
Production Capacity: 200 metric tons/month
Lead Times: Standard orders shipped within 7 working days
Packaging: Marine - grade pallets with moisture - resistant wrapping
Quality Assurance Commitment
Internal audits conducted quarterly by ISO - certified auditors
Corrective Action Preventive Action (CAPA) system for continuous improvement
5 - year warranty on all products meeting specified storage conditions
Why Choose Our ISO 9001 - Certified Facility?
"Process - oriented" quality management system
Over 20 years of experience in supplying Fortune 500 clients
Dedicated technical team for on - site process validation
Your partner in high - performance, ISO - compliant graphite sealing solutions.
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 ...
