Advanced Custom Expanded PTFE Tape Solutions for OEM and ODM Manufacturing in China
Expanded PTFE Tape – Versatile, High‑Performance Sealing for Demanding Applications
Kaxite Sealing, a leading expanded PTFE tape manufacturer in China, supplies premium ePTFE tapes engineered for superior sealing performance across a broad spectrum of industries. Our high quality expanded PTFE tape is manufactured through a proprietary expansion and sintering process that creates a microporous structure – delivering exceptional conformability, compressibility, and chemical resistance while retaining the inherent non‑stick and thermal stability of PTFE. With a continuous service temperature range of -268°C to +315°C, densities from 0.5 to 1.2 g/cm³, and outstanding creep resistance, Kaxite ePTFE tape provides reliable, leak‑free sealing for flanges, heat exchangers, pumps, valves, and threaded connections in chemical processing, oil & gas, pharmaceutical, semiconductor, and power generation industries. Available in multiple grades – soft, standard, high‑density, food‑grade, and electrically conductive – with custom widths, thicknesses, and die‑cut shapes. ISO 9001:2015 certified, with full traceability and competitive factory pricing – request a free sample or bulk quote today.
🧵
Microporous Structure
Expanded matrix provides superior conformability and sealing on imperfect surfaces.
🧪
Chemical Inertness
Resistant to virtually all industrial chemicals, acids, alkalis, and solvents.
🌡️
Cryogenic to High Heat
Continuous service from -268°C to +315°C – unmatched temperature range.
⚙️
Low Creep & Recovery
Maintains sealing force under thermal cycling and vibration – < 15% compression set.
Expanded PTFE Tape Grades – Selection Guide
Kaxite offers a comprehensive range of ePTFE tape grades to match your specific application requirements – from soft, highly conformable tapes for low‑pressure sealing to high‑density grades for demanding high‑pressure flange joints.
| Product Code | Density (g/cm³) | Thickness Range | Key Features | Ideal For |
|---|---|---|---|---|
| KX-ePTFE-S | 0.5 – 0.6 | 1.5 – 3.0 mm | Ultra‑soft, high compressibility, easy formability | Low‑pressure sealing, glass‑lined flanges, HVAC, irregular surfaces |
| KX-ePTFE-M | 0.7 – 0.8 | 1.0 – 3.0 mm | Balanced sealability & strength, excellent recovery | General purpose, ANSI/DIN flanges, pumps, valves, wide chemical service |
| KX-ePTFE-HD | 1.0 – 1.2 | 1.5 – 3.0 mm | High density, superior tensile strength, low creep, high pressure resistance | High‑pressure flanges, heat exchangers, reactor manways, steam service |
| KX-ePTFE-FG | 0.7 | 1.5 – 3.0 mm | Food‑grade compliant, FDA CFR 177.1550, no additives | Food & beverage processing, pharmaceutical, cosmetic, potable water |
| KX-ePTFE-EC | 0.7 | 1.5 mm | Electrically conductive (carbon‑filled), EMI/RFI shielding | Electronics, explosive environments, static‑sensitive areas |
Custom formulations and hybrid grades available for specialized applications. Contact our engineering team for assistance.
📋 Physical Properties (Typical Range)
| Specific Gravity (Density) | 0.5 – 1.2 g/cm³ |
| Tensile Strength (MD) | 10 – 35 MPa |
| Elongation at Break | 50 – 400% |
| Compression Set (22h @ 25°C) | < 15% |
| Thermal Conductivity | ~0.25 W/(m·K) |
| Dielectric Strength | > 5 kV/mm |
| Operating Temperature (Continuous) | -268°C ~ +315°C |
*Values vary with density and expansion ratio. Contact us for grade‑specific data.
📐 Standard Dimensions & Custom Options
Kaxite offers custom expanded PTFE tape solutions in a variety of forms:
- ▸ Thickness: 0.5mm – 6.0mm (custom available)
- ▸ Width: 10mm – 1500mm (slit to specification)
- ▸ Length: Continuous rolls up to 50m
- ▸ Colors: White (standard), custom colors available
- ▸ Die‑Cut Gaskets: Precision cut to your CAD drawings
OEM/ODM – provide drawings for a fast, accurate quotation.
🏭 Typical Applications
- ▸ Chemical Processing: Flange gaskets, heat exchanger seals, pump and valve bonnet seals
- ▸ Oil & Gas / Petrochemical: Pipeline flanges, compressor seals, refinery equipment
- ▸ Pharmaceutical & Biotechnology: Sanitary seals, sterile barrier gaskets
- ▸ Food & Beverage: FDA‑compliant sealing for processing lines
- ▸ Semiconductor & Electronics: Ultra‑pure chemical seals, EMI/RFI shielding
- ▸ Power Generation: Turbine and boiler gaskets, thermal insulation
Explore our full range of expanded PTFE products and expanded PTFE sheets.
🏅 Why Source from Kaxite?
- ✔ China-based ePTFE expert – 25+ years of fluoropolymer manufacturing.
- ✔ ISO 9001:2015 certified – consistent quality and full traceability.
- ✔ Proprietary expansion technology – uniform microstructure and porosity.
- ✔ Wholesale factory pricing – competitive for bulk and OEM orders.
- ✔ Exported to 40+ countries – reliable logistics (FOB Ningbo / CIF).
🏗️ Proprietary Expansion & Sintering Technology
Our advanced manufacturing process ensures uniform expansion, consistent pore structure, and exceptional mechanical properties across every batch. Each production lot is rigorously tested for density, tensile strength, compressibility, and recovery to guarantee reliable performance in critical applications.
ISO 9001:2015 Full Traceability
📦 How to Order Expanded PTFE Tape – OEM & Bulk
1 Select Grade
S, M, HD, FG, EC – or custom formulation.
2 Specify Dimensions
Width, thickness, length – custom sizes accepted.
3 Quantity
Low MOQ – from prototypes to high‑volume production.
4 Shipping
FOB Ningbo, CIF, or EXW – express air or sea freight.
Frequently Asked Questions
Q: How does Expanded PTFE Tape differ from standard thread seal tape?
A: Standard thread seal tape is a thin, non‑expanded film for pipe threads. Expanded PTFE tape is a thicker, compressible gasketing material intended for flange faces, valve bonnets, pump casings, and other flat or raised‑face connections. It offers superior conformability, creep resistance, and sealing performance.
Q: How do I install Expanded PTFE Tape on a flange?
A: Clean flange surfaces thoroughly. Cut a length of tape slightly longer than the flange circumference. For standard flanges, wrap the tape around the flange face 1.5 to 2 times. For raised face flanges, place a single layer on the raised surface. Join ends with a straight, clean cut – do not overlap. Tighten bolts in a criss‑cross pattern to specified torque.
Q: Can ePTFE tape be used with aggressive chemicals?
A: Yes. Virgin PTFE is one of the most chemically resistant polymers. Kaxite expanded PTFE tape is suitable for sealing systems containing virtually all aggressive chemicals, including strong acids, bases, oxidizers, and solvents. Always verify compatibility for specific concentration and temperature.
Q: Do you provide material certificates?
A: Absolutely. Every batch is supplied with a material test certificate detailing density, tensile strength, compression set, and other key properties per international standards.
- View as
Pure White PTFE Foamed Tape Expanded PTFE Tape Expanded PTFE Joint Sealant
Discover Kaxite Sealing's Pure White PTFE Foamed Tape, an expanded PTFE tape and joint sealant offering exceptional sealing properties. Made from high-quality PTFE, it provides superior resistance to chemicals and extreme temperatures, ensuring reliable performance in plumbing, HVAC, and industrial applications. This versatile solution solves leaks and wear issues, giving users peace of mind with long-lasting durability. Its unique foamed structure allows for easy application and a secure fit, outperforming traditional sealants. Trust Kaxite Sealing for a reliable, efficient, and clean sealing experience that enhances your projects.
High Temperature Resistance Expanded PTFE Tape Variable 1.5 - 10.0mm
Discover Kaxite Sealing's High Temperature Resistance Expanded PTFE Tape, featuring a versatile 1.5-10.0mm thickness range. This premium tape excels in extreme heat applications, providing reliable sealing solutions for industrial professionals and DIY enthusiasts. Its unique expanded PTFE material ensures durability and superior performance, solving leakage challenges with ease. Experience peace of mind and enhanced efficiency in demanding environments, setting it apart from standard options. Upgrade your projects today!
Low Temperature Resistance Expanded PTFE Tape Variable Color -160°C - 280°C
Discover Kaxite Sealing's Low Temperature Resistance Expanded PTFE Tape Variable Color -160°C - 280°C, a versatile sealing solution engineered for extreme environments. Crafted from high-quality expanded PTFE, it offers superior flexibility and durability, ensuring reliable performance in temperatures from -160°C to 280°C. Ideal for industrial professionals, DIY enthusiasts, and anyone tackling harsh conditions, this tape provides a secure, leak-proof seal that boosts confidence and efficiency. Stand out with its variable color options for easy identification and enhanced safety. Elevate your projects with trusted Kaxite Sealing quality today!
100% Ptfe Thread Seal Tape Expanded Ptfe Tapes With Thickness 0.075 mm
Discover the 100% PTFE Thread Seal Tape from Kaxite Sealing, featuring expanded PTFE tapes with a precise 0.075 mm thickness. Ideal for professionals and DIY enthusiasts, this durable, leak-proof sealant excels in plumbing and industrial applications, offering superior resistance to chemicals and extreme temperatures. Its ultra-thin design ensures easy application and a secure fit, delivering peace of mind and reliability. Stand out with Kaxite Sealing's high-quality innovation—the perfect solution for all your sealing needs.
Fine Ptfe Expanded Ptfe Tape Good Waterproof Performance 100% Ptfe
Kaxite Sealing presents Fine PTFE Expanded PTFE Tape with excellent waterproof performance, crafted from 100% PTFE for durable sealing solutions. Ideal for professionals and DIY enthusiasts in plumbing and industrial applications, it ensures leak-free reliability. Its unique expanded structure offers superior flexibility and resistance, solving common sealing woes with confidence. Upgrade to Kaxite Sealing for unmatched quality and peace of mind.
Colorful Mechanical Seal Expanded PTFE Tape For Malaysia Market
Discover Kaxite Sealing's Colorful Mechanical Seal Expanded PTFE Tape, the ultimate sealing solution for Malaysia's diverse industrial and plumbing needs. Made from durable expanded PTFE, it offers superior leak protection, easy application, and vibrant colors for visual appeal. Ideal for professionals, DIY enthusiasts, and maintenance teams dealing with pipes, valves, and machinery, this tape ensures reliable performance in high-pressure and corrosive environments. Feel confident with every seal, solving costly leaks and downtime. Stand out with its unique color-coded options for quick identification, unlike standard tapes. Trust Kaxite Sealing for quality that lasts—upgrade your sealing game today!
Good Sealing Properties Expanded PTFE Tape For Water Pipe Sealing Tape
Kaxite Sealing presents the Good Sealing Properties Expanded PTFE Tape, a premium tape designed for secure water pipe connections. Made from expanded PTFE, it ensures leak-proof, durable sealing with excellent chemical resistance. Ideal for DIY enthusiasts and professional plumbers in household or industrial settings, it provides peace of mind by preventing leaks and water damage. Its unique expanded structure offers superior conformability and reliability compared to standard tapes. Experience worry-free sealing with Kaxite Sealing today.
Pure White Expanded Ptfe Tape In Indonesia Market Non-Abrasion
Kaxite Sealing's Pure White Expanded PTFE Tape offers a non-abrasive sealing solution for the Indonesia market. It provides durable, reliable performance in various industrial and plumbing applications, ensuring leak-free connections and long-lasting protection. Its pure white design and expanded material enhance usability and effectiveness, making it ideal for professionals and DIY enthusiasts alike. Experience superior sealing and peace of mind with this high-quality tape.
