PTFE Insulation Articles
Model:PTFE Insulation Articles
Kaxite is one of the leading China PTFE Insulation Articles suppliers and manufacturers, and with productive factory, welcome to wholesale PTFE Insulation Articles products from us.
KXT‑IA PTFE Insulation Articles – High‑Reliability Electrical Insulation Components for Critical Applications
Kaxite Sealing offers a comprehensive range of KXT‑IA PTFE Insulation Articles – precision‑engineered components manufactured from virgin PTFE resin using advanced ram extrusion and skiving technologies. These insulation parts are designed for the most demanding electronic and electrical applications, where superior dielectric strength, extreme chemical resistance, and wide‑temperature stability are non‑negotiable.
Why KXT‑IA? PTFE insulation articles offer a unique combination of properties: the lowest coefficient of friction of any solid material, exceptional chemical inertness (resistant to virtually all acids, bases, and solvents), and a continuous service temperature range from ‑180°C to +260°C. They are manufactured by ram extruding PTFE granular resin, then skived or machined to precise dimensions, ensuring consistent electrical performance and mechanical integrity.
As a leading PTFE insulation component supplier in China, Kaxite produces articles in a wide variety of shapes – including rods, tubes, films, and custom‑machined parts – to meet OEM and aftermarket requirements. All products undergo rigorous high‑voltage testing (up to 32 kV) and partial discharge measurement to guarantee reliability. Request a free sample or get a wholesale quote today.
MaterialVirgin PTFE
Temp. Range‑180°C to +260°C
Dielectric Strength≥ 20 kV/mm
Friction Coefficient0.05 – 0.10
Voltage RatingUp to 32 kV
ComplianceISO 9001, RoHS
Why KXT‑IA PTFE Insulation Articles?
- ✅ Exceptional Dielectric Properties – High dielectric strength and low dissipation factor ensure reliable insulation in high‑voltage applications
- ✅ Wide Temperature Range – Perform reliably from ‑180°C to +260°C, suitable for cryogenic and high‑heat environments
- ✅ Ultimate Chemical Resistance – Inert to virtually all chemicals, ideal for aggressive and corrosive media
- ✅ Low Friction & Non‑Stick – The lowest friction coefficient of any solid material reduces wear and prevents sticking
- ✅ Precision Manufacturing – Ram extruded and skived to tight tolerances for consistent dimensions and performance
- ✅ Custom Shapes Available – Rods, tubes, films, and complex machined parts to your exact specifications
Available Configurations – Standard & Custom PTFE Insulation Articles
Kaxite offers a broad portfolio of PTFE insulation articles, available as standard stock or custom‑engineered to your specifications. All products are manufactured from virgin PTFE resin with full material traceability.
PTFE Rods & Bars
Solid PTFE rods manufactured by ram extrusion, available in diameters from 3 mm to 200 mm and lengths up to 2000 mm. Ideal for machining into custom insulation components, bushings, and coil forms. Supplied with a smooth, defect‑free surface and tight diameter tolerances.
PTFE Tubes & Sleeves
Precision‑wall PTFE tubes with excellent concentricity, available in a wide range of inner and outer diameters. Used as insulating sleeves for high‑voltage conductors, standoff insulators, and fluid transfer lines in corrosive environments. Custom lengths and wall thicknesses available.
PTFE Films & Skived Sheets
High‑purity PTFE films skived from billets, available in thicknesses from 0.05 mm to 3.0 mm and widths up to 1500 mm. Used as capacitor dielectrics, transformer insulation, cable wrapping, and release films. Excellent dielectric strength and low moisture absorption.
Custom‑Machined Insulation Components
We provide complete CNC machining, turning, milling, and drilling services to produce custom PTFE insulation articles such as bushings, washers, coil bobbins, connector insulators, and high‑voltage standoffs. Work from your CAD drawings or physical samples to deliver precise, burr‑free components.
* All configurations can be supplied with custom dimensions, tolerances, and surface finishes. Contact our technical team for application‑specific recommendations.
ISO 9001:2015 Virgin PTFE Resin High‑Voltage Tested (32 kV) Low Partial Discharge Custom Shapes Available
Key Advantages of KXT‑IA PTFE Insulation Articles
Superior Electrical Insulation – High dielectric strength (≥20 kV/mm), low dielectric constant (2.1), and extremely high surface resistivity ensure reliable performance in high‑voltage and high‑frequency circuits.
Thermal Stability – Maintains mechanical and electrical properties from ‑180°C to +260°C, with short‑term exposure up to +300°C, making it suitable for aerospace, automotive, and industrial applications.
Chemical Inertness – Unaffected by almost all chemicals, solvents, and corrosive media, ensuring long service life in aggressive environments.
Low Friction & Non‑Adhesive – The lowest coefficient of friction of any solid material reduces wear on mating surfaces and prevents sticking or galling.
Precision Dimensional Control – Manufactured by ram extrusion and skiving, with tight tolerances for consistent fit and function in assembly.
Easy Machinability – PTFE can be turned, milled, drilled, and reamed to produce complex shapes with excellent surface finish.
Technical Specifications – KXT‑IA PTFE Insulation Articles (Typical Values)
The table below lists typical physical, electrical, and thermal properties of our virgin PTFE insulation articles. Values are based on ASTM standard test methods. Custom grades (filled, modified) are available upon request.
| Property | Typical Value | Test Method |
|---|---|---|
| Material | Virgin PTFE (100%) | — |
| Density (g/cm³) | 2.13 – 2.24 | ASTM D792 |
| Temperature Range (Continuous) | ‑180°C to +260°C | — |
| Dielectric Strength (kV/mm) | ≥ 20 | ASTM D149 |
| Dielectric Constant (1 MHz) | 2.1 | ASTM D150 |
| Dissipation Factor (1 MHz) | ≤ 0.0003 | ASTM D150 |
| Volume Resistivity (Ω·cm) | ＞ 10¹⁸ | ASTM D257 |
| Coefficient of Friction | 0.05 – 0.10 (dynamic) | ASTM D1894 |
| Water Absorption (%) | ＜ 0.01 | ASTM D570 |
| Max. Voltage Test (oil immersion) | Up to 32 kV (no breakdown) | — |
* Custom filled grades (glass, carbon, bronze, etc.) and special dimensional tolerances are available. Contact our technical team for material selection guidance.
High‑Voltage & Partial Discharge Test Results – KXT‑IA Articles
Each KXT‑IA insulation article is subject to a 50 Hz AC voltage withstand test in oil, followed by partial discharge measurement. The table below shows representative results for six different model configurations. All samples passed with zero discharge or well below acceptable limits.
| Model | Voltage (kV) | Discharge (pC) | Result |
|---|---|---|---|
| N1 | 29 | 0 | Pass |
| N2 | 30 | 3 | Pass |
| N3 | 30 | 0 | Pass |
| N4 | 32 | 2 | Pass |
| N5 | 28 | 0 | Pass |
| N6 | 30 | 0 | Pass |
* Test conditions: 50 Hz AC, oil immersion, ambient temperature. Custom test voltages available upon request.
PTFE Insulation Articles vs Other Insulation Materials – Quick Comparison
| Property | PTFE | Polyimide | Epoxy FR‑4 | Ceramic |
|---|---|---|---|---|
| Max. Continuous Temp. (°C) | 260 | 240 | 130 | ＞600 |
| Dielectric Constant (1 MHz) | 2.1 | 3.4 | 4.5 | 6‑10 |
| Dissipation Factor | ≤0.0003 | 0.002 | 0.02 | 0.001 |
| Chemical Resistance | Excellent | Good | Moderate | Excellent |
| Friction Coefficient | Lowest | Moderate | High | High |
| Machinability | Excellent | Good | Moderate | Poor (brittle) |
| Relative Cost | Moderate | High | Low | High |
* PTFE offers the best combination of electrical properties, chemical resistance, friction, and machinability for demanding insulation applications, making it the material of choice for high‑reliability electronics and electrical systems.
Typical Applications & Industries
High‑Voltage Electronics Insulators, bushings, standoffs, and coil bobbins for transformers, capacitors, and switchgear.
Aerospace & Defense Lightweight insulation components for avionics, radar systems, and missile guidance electronics.
Medical Devices Insulation for surgical instruments, diagnostic equipment, and implantable device components.
Chemical Processing Lining for reactors, pipes, and tanks, as well as gaskets and seals in corrosive fluid systems.
Telecommunications Antenna insulators, coaxial cable connectors, and waveguide components.
Semiconductor Manufacturing Ultra‑clean PTFE parts for chemical delivery systems, wafer handling, and cleanroom equipment.
Why Choose Kaxite for PTFE Insulation Articles?
30+ Years of PTFE Expertise – Kaxite has been manufacturing PTFE products since 1990, with deep knowledge of material processing, machining, and application engineering.
ISO 9001:2015 Certified – All processes are certified with strict quality controls from raw resin to finished part.
Custom Engineering Capability – We offer complete machining and fabrication services to produce complex custom shapes.
Competitive Factory Pricing – Direct supply from our factory ensures cost‑effective solutions without compromising quality.
Fast Technical Support – Our engineering team responds to inquiries within 2 business hours with material selection and design assistance.
Global Logistics – We ship to over 40 countries with flexible packaging and delivery options.
Proven Reliability: Kaxite PTFE insulation articles are specified by leading electronics, aerospace, and chemical companies for their consistent quality and outstanding electrical performance.
Quality Assurance & Regulatory Compliance
Kaxite Sealing is an ISO 9001:2015 certified manufacturer. Our PTFE insulation articles are produced under strict process controls – from raw resin selection, ram extrusion, skiving, machining, to final inspection. Each part is inspected for dimensional accuracy, surface finish, and electrical properties. We perform 100% high‑voltage withstand testing and partial discharge measurement for critical components, and provide material test certificates upon request, ensuring full traceability.
- ISO 9001:2015
- 100% Virgin PTFE
- High‑Voltage Tested (32 kV)
- Low Partial Discharge (≤3 pC)
- Dimensional Tolerance ≤±0.05 mm
- Full Material Traceability
Quality you can depend on – our insulation articles are trusted by engineers in critical power and electronic applications worldwide.
Custom Manufacturing & OEM Services – Free Sample Available
As a professional PTFE insulation component manufacturer in China, we offer complete customization to meet your exact specifications. Request a free sample or get a bulk quote today:
- Custom diameters, lengths, and wall thicknesses
- Complex machined shapes (turning, milling, drilling)
- Filled grades: glass, carbon, bronze, etc.
- Special surface finishes (smooth, matte, textured)
- High‑voltage testing at customer‑specified voltages
- Private label packaging for distributors
- Just‑in‑time delivery and inventory management
Request a free sample or ask for a tailored bulk quote – our team responds within 24 hours with competitive factory pricing and lead‑time estimates.
Frequently Asked Questions About PTFE Insulation Articles
- Q: What types of PTFE insulation articles do you offer?
- A: We offer a full range including PTFE rods, tubes, films (skived sheets), and custom‑machined parts such as bushings, washers, insulators, coil forms, and connector components. We can also produce complex shapes based on your 3D drawings or samples.
- Q: What is the maximum operating temperature for PTFE insulation articles?
- A: PTFE can be used continuously from ‑180°C to +260°C. For short periods, it can withstand up to +300°C, though mechanical properties may begin to degrade. It is an excellent choice for both cryogenic and high‑temperature insulation applications.
- Q: Are your PTFE parts suitable for high‑voltage applications?
- A: Yes. Our PTFE insulation articles have a dielectric strength ≥20 kV/mm and are tested at voltages up to 32 kV in oil with partial discharge measurement. We can also test to custom voltage requirements for your specific application.
- Q: Can you produce PTFE parts with tight tolerances?
- A: Yes, we can achieve tolerances as tight as ±0.05 mm for critical dimensions, depending on the part geometry. We use high‑precision CNC equipment and rigorous quality control to ensure consistent accuracy.
- Q: Do you offer filled or modified PTFE grades?
- A: Yes, we can supply PTFE compounds filled with glass fiber, carbon, bronze, molybdenum disulfide, and other materials to enhance mechanical strength, wear resistance, or thermal conductivity. Please contact us with your application details for a recommendation.
Partner with Kaxite Sealing – your trusted PTFE insulation article manufacturer and supplier in China. With decades of PTFE processing expertise, advanced machining capabilities, and a steadfast commitment to quality, we deliver components that provide reliable electrical insulation in the most demanding environments. Request a free sample or get a tailored bulk quote today – our engineers respond within 24 hours.
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Address
No. 432 Zhenhai Middle Road, Luotuo Street, Zhenhai District, Ningbo City, Zhejiang China
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