Expanded PTFE Sheet
Expanded PTFE sheet gasket materials is a compressible, food approved, 100% virgin PTFE material with excellent resistance to many chemicals. Model:KXT B302
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Product Description
Expanded PTFE Sheet – Highly Compressible, FDA‑Approved Sealing for Irregular Flanges
Kaxite Sealing is a leading China-based manufacturer and supplier of expanded PTFE sheets (Model KXT B302) – a premium gasketing material produced from 100% virgin PTFE through a specialized expansion process that creates a soft, highly compressible, and conformable sheet. This unique structure allows the sheet to seal uneven, pitted, or damaged flange faces with minimal bolt load, while maintaining excellent chemical resistance across the full pH range (0–14). FDA‑approved and with superior creep resistance, expanded PTFE sheets are the ideal sealing solution for chemical processing, food and beverage, pharmaceutical, pulp and paper, and petrochemical industries where reliability and safety are paramount.
As a trusted factory direct supplier in China, Kaxite offers custom thicknesses and sheet sizes, FDA‑compliant grades, and competitive wholesale pricing. Request your price list and free sample →
Why Expanded PTFE Sheet?
Conforms to Uneven Surfaces
Seals pitted, scratched, and irregular flange faces with ease.
Creep & Cold Flow Resistance
Superior resistance to deformation under load, maintains seal integrity.
Chemical Resistance (pH 0–14)
Resists almost all aggressive chemicals.
FDA Approved
Suitable for food, beverage, and pharmaceutical contact.
Technical Specifications – Expanded PTFE Sheet (KXT B302)
* Custom thicknesses and sheet sizes available. Contact our technical team for bespoke requirements.
Complete technical data – physical and mechanical properties
Advantages of Expanded PTFE Sheet
- ✅ Exceptional conformability – seals uneven, pitted, and damaged flange faces with minimal bolt load
- ✅ Superior creep resistance – the expanded structure maintains sealing force under pressure and temperature cycling
- ✅ Very low leakage rates – ideal for critical sealing applications where emissions control is essential
- ✅ Chemical resistance across the full pH range – suitable for aggressive chemicals, solvents, and steam
- ✅ FDA‑approved and non‑aging – safe for food contact, unlimited shelf life, and easy to cut and install
Typical Applications – Industries & Media
Frequently Asked Questions – Expanded PTFE Sheet
What is expanded PTFE sheet?
Expanded PTFE sheet is a highly compressible, low‑density gasketing material made from 100% virgin PTFE through a controlled expansion process. It offers excellent conformability, chemical resistance, and creep resistance, making it ideal for sealing irregular flanges.
Is expanded PTFE sheet FDA‑approved?
Yes, our expanded PTFE sheet complies with FDA 21 CFR 177.1550 and is suitable for food, beverage, and pharmaceutical contact applications.
What thicknesses and sizes are available?
Standard thicknesses range from 0.5 mm to 6.0 mm, with sheet sizes up to 1500×1500 mm. Custom dimensions are available upon request.
Can expanded PTFE sheet seal damaged flanges?
Absolutely. The soft, conformable nature of expanded PTFE allows it to fill pits, scratches, and irregularities on flange faces, providing a reliable seal even under low bolt load.
What is the maximum temperature for expanded PTFE sheet?
Expanded PTFE sheet can operate continuously from -200°C to +260°C, making it suitable for both cryogenic and high‑temperature services.
Why Source from Kaxite Sealing – Your Trusted Expanded PTFE Sheet Manufacturer in China
- ✔ 20+ years of PTFE processing expertise
- ✔ ISO 9001 certified production facility
- ✔ Exported to 40+ countries worldwide
- ✔ In‑house expansion and converting capabilities
- ✔ Custom thicknesses & sizes – any dimension
- ✔ FDA‑compliant grades available
- ✔ Flexible logistics – sea, air, express from Ningbo/Shanghai
- ✔ 24/7 technical support – prompt response to inquiries
Packaging & Worldwide Delivery
* Custom packaging and labelling available. View packaging & shipping details →
Ready to Order? Contact Kaxite – China's Reliable Expanded PTFE Sheet Manufacturer
As a premier China supplier of expanded PTFE sheets, Kaxite provides high‑quality products at factory‑direct prices. Whether you need a sample, a price list, or a bulk order, our experienced team is ready to support you with technical advice and prompt service.
📞 Call us: 0086-574-87527771 | ✉️ Email: cindy@seal-china.com | 🌐 Visit: www.expandedptfesheets.com
