Expanded PTFE Sheet
Expanded PTFE Sheet is a microporous polymer material manufactured from pure PTFE resin through a unique stretching process. This expansion creates a fibrous network structure that combines the inherent advantages of PTFE-such as outstanding chemical inertness and temperature resistance-with enhanced flexibility, compressibility, and porosity. It is an advanced engineering material designed for demanding applications.
Products Features
- Superior Sealing: Soft and highly compressible, providing excellent sealing under low bolt stress.
- Chemical Resistance: Compatible with nearly all aggressive chemicals, acids, and solvents.
- Wide Temperature Range: Performs reliably from -200°C to +260°C.
- Microporous Structure: Allows breathability while resisting water and particles.
- Dielectric Strength: Excellent electrical insulation properties.
Products Applications
Our Expanded PTFE Sheet is widely used in:
- Chemical/Environmental: Gaskets for flanges, pumps, and valves.
- Electronics: Battery vents, PCB insulation, and waterproof breathable membranes.
- Medical Devices: Sterile packaging and ventilation membranes.
- Food & Beverage: Compliant sealing components.
- New Energy: Critical components in fuel cells and solar panels.
Product Specifications
Thickness: 0.2mm – 5.0mm (customizable)
Density: 0.4 – 0.8 g/cm³
Tensile Strength: ≥ 3.0 MPa (lengthwise)
Elongation at Break: 50% – 200%
Air Permeability: Adjustable based on requirements
Color: White (standard), black, or custom colors available.
Our Commitment
1. Quality Control
Yancheng Tongtong operates under an ISO 9001 quality management system. Each batch of Expanded PTFE Sheet undergoes rigorous inspection for thickness uniformity, density, tensile strength, and sealing performance. We provide material certifications and SGS test reports upon request.
2. Packaging & Shipping
Sheets are packed with inner moisture-proof film and outer cartons. For large or precision orders, wooden crates are used. We ship globally via air, sea, or express carriers (DHL, FedEx) with reliable lead times.
3. After-Sales Service
We offer full technical support and a 7-day quality guarantee after delivery. Our engineering team is available to assist with application challenges and customization needs.
4. Our Strength
Yancheng Tongtong Fluorine Plastic Manufacturing Co., Ltd. specializes in the R&D and production of fluoropolymer products. With advanced manufacturing facilities and an experienced technical team, we supply high-quality Expanded PTFE Sheet to clients across North America, Europe, and Asia.
FAQ
Q: What is the difference between Expanded PTFE Sheet and standard PTFE sheet?
A: Expanded PTFE has a microporous structure, making it more flexible and compressible than solid PTFE, with added breathability.
Q: Are your ePTFE sheets suitable for medical or food contact applications?
A: Yes, we offer medical and food-grade versions manufactured from pure PTFE resin. Please specify your requirements when inquiring.
Q: Can I request a sample for testing?
A: Yes, we provide free samples for evaluation. Contact us with your details.
Q: How do I select the right thickness for my application?
A: Our technical team can recommend the optimal thickness based on your operating pressure, gap, and media.
Ready to order or need a custom solution? Email us at [Your Sales Email] for a competitive quote and technical support within 24 hours!
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