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Insulation Gasket Kit-High Pressure
2024-04-24
Expanded PTFE Gasket Sheet
Expanded PTFE Gasket Sheet (ePTFE Gasket Sheet) is manufactured from 100% pure polytetrafluoroethylene (PTFE) through an advanced expansion and stretching process, creating a unique microporous fibril structure. This special structure provides excellent compressibility, recovery, flexibility, and sealing adaptability.
Expanded PTFE Gasket Sheet
High-Performance Sealing Solution for Demanding Industrial Applications
Product Overview
Expanded PTFE Gasket Sheet (ePTFE Gasket Sheet) is manufactured from
100% pure polytetrafluoroethylene (PTFE) through an advanced expansion
and stretching process, creating a unique microporous fibril structure.
This special structure provides excellent compressibility, recovery,
flexibility, and sealing adaptability.
Compared with conventional PTFE gasket materials, expanded PTFE gasket
sheets offer superior sealing performance by compensating for flange
irregularities, surface imperfections, thermal expansion, and mechanical
vibration.
With outstanding chemical resistance, wide temperature capability, and
long-term stability, Expanded PTFE Gasket Sheet is an ideal sealing
solution for chemical processing, oil & gas, pharmaceutical, food,
semiconductor, power generation, and renewable energy industries.
Key Features
Excellent Sealing Performance
The unique expanded PTFE structure provides excellent compression and
recovery properties, ensuring reliable long-term sealing performance and
minimizing leakage risks.
Outstanding Chemical Resistance
Chemically inert PTFE material resists almost all aggressive chemicals,
including acids, alkalis, solvents, and oxidizing media.
Wide Temperature Range
Designed for extreme operating conditions:
-200°C to +260°C
Excellent Flange Conformability
Flexible structure adapts to uneven or damaged flange surfaces,
improving sealing reliability.
High Purity Performance
Manufactured without fillers or binders, suitable for high purity
applications.
Long Service Life
Excellent resistance to aging, corrosion, and chemical degradation.
Product Advantages
| Feature | Benefit |
|---|---|
| 100% PTFE Construction | Excellent chemical compatibility |
| Expanded Microstructure | Superior sealing and recovery performance |
| High Flexibility | Adapts to irregular flange surfaces |
| Wide Temperature Resistance | Suitable for extreme environments |
| Non-stick Surface | Easy installation and removal |
| Long-term Stability | Reduced maintenance costs |
Typical Applications
Chemical Processing Industry
- Reaction vessels
- Pipeline flange connections
- Pumps and valves
- Corrosive chemical equipment
Oil & Gas Industry
- Pipeline systems
- Pressure vessels
- High-performance flange sealing
Pharmaceutical & Food Industry
- Sanitary equipment
- Storage tanks
- Process piping systems
Semiconductor Industry
- Ultra-pure chemical systems
- High-cleanliness equipment
Power & Renewable Energy
- Heat exchangers
- Energy storage systems
- Special sealing applications
Technical Specifications
| Property | Typical Value |
|---|---|
| Material | 100% Expanded PTFE |
| Color | White |
| Density | 0.35 – 0.90 g/cm³ |
| Operating Temperature | -200°C to +260°C |
| Compression Rate | 30% – 70% |
| Recovery Rate | ≥15% (depending on grade) |
| Thickness | 0.5 – 10 mm (customizable) |
| Width | Up to 1500 mm (customizable) |
| Chemical Resistance | Excellent |