Products
Expanded PTFE Joint Sealant Tape
Expanded PTFE Joint Sealant Tape – Self‑Adhesive Sealing for Any Flange Surface
Kaxite Sealing is a leading China-based manufacturer and supplier of expanded PTFE joint sealant tape – an innovative, 100% expanded PTFE gasketing material combined with a self‑adhesive strip for quick and easy application. Through a proprietary expansion process, PTFE is converted into a micro‑porous, fibrous structure that delivers an unmatched combination of chemical inertness, high compressibility, and sealing performance. This tape conforms to irregular, damaged, or out‑of‑parallel flange faces, making it the ideal sealing solution for glass‑lined equipment, plastic flanges, heat exchangers, pumps, and compressors – even where traditional gaskets fail. With FDA‑compliance, a wide temperature range (-200°C to +260°C), and unlimited shelf life, it is the preferred choice for chemical processing, pharmaceutical, food & beverage, and petrochemical industries.
As a trusted factory direct supplier in China, Kaxite offers custom widths, thicknesses, and roll lengths, FDA‑approved grades, and competitive wholesale pricing. Request your price list and free sample →
Why Expanded PTFE Joint Sealant Tape?
Conforms to Imperfect Flanges
Seals pitted, scratched, and uneven flange faces with minimal bolt load.
Self‑Adhesive Backing
Peel‑and‑stick application – no adhesives or pastes required.
Chemical Resistance (pH 0–14)
Unaffected by almost all aggressive chemicals and solvents.
FDA Compliant
Suitable for food, beverage, and pharmaceutical contact applications.
Technical Specifications – Expanded PTFE Joint Sealant Tape
* Custom widths, thicknesses, and lengths available. Contact our technical team for bespoke requirements.
Advantages of Expanded PTFE Joint Sealant Tape
- ✅ Quick and simple installation – self‑adhesive strip holds tape in place, no glue or paste required
- ✅ Conforms perfectly to uneven surfaces – seals glass‑lined, plastic, and rough flanges with ease
- ✅ Excellent chemical resistance – unaffected by all common chemicals (pH 0–14)
- ✅ High pressure resistance – maintains seal integrity under demanding conditions
- ✅ FDA‑approved and non‑aging – safe for food contact, unlimited shelf life, easy to cut and install
Typical Applications – Industries & Use Cases
How to Apply Expanded PTFE Joint Sealant Tape
Remove debris, oil, and old gasket material.
Cut tape slightly longer than flange circumference.
Remove liner and press adhesive side onto flange face.
Cross ends over each other at bolt hole location.
Assemble and torque bolts evenly.
* For detailed torque recommendations, consult our installation guide.
Why Choose Kaxite Sealing – Your Trusted Expanded PTFE Joint Sealant Tape Supplier 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 widths & thicknesses – 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 →
Frequently Asked Questions – Expanded PTFE Joint Sealant Tape
What is expanded PTFE joint sealant tape?
It is a 100% expanded PTFE gasketing material with a self‑adhesive strip, designed for sealing flanges with irregular or damaged surfaces. The micro‑porous structure provides excellent conformability, chemical resistance, and pressure resistance.
What is the temperature range?
Expanded PTFE joint sealant tape operates continuously from -200°C to +260°C, suitable for both cryogenic and high‑temperature services.
Is this tape FDA‑approved?
Yes, it complies with FDA 21 CFR 177.1550 and USP Class VI, making it suitable for food, beverage, and pharmaceutical contact applications.
What sizes are available?
Standard widths range from 5 mm to 100 mm, thicknesses from 1.5 mm to 6 mm. Custom sizes are available upon request.
Ready to Order? Contact Kaxite – China's Reliable Expanded PTFE Joint Sealant Tape Manufacturer
As a premier China supplier of expanded PTFE joint sealant tape, 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
- View as
Expanded PTFE Joint Sealant Tape
Expanded PTFE Joint Sealant Tape is an inorganic sealant for static applications made of 100% PTFE.A unique process converts PTFE to a micro-porous fibrous structure, resulting a sealant with an unsurpassed combination of mechanical and chemical properties. It is supplied with a self-adhesive strip for easy fitting.