PTFE Parts – Custom & Standard Components for Chemical, Medical & Industrial Applications from China Manufacturer
Kaxite Sealing is a premier PTFE parts manufacturer and supplier in China, offering a comprehensive range of custom and standard polytetrafluoroethylene components for demanding industrial, medical, and chemical applications. Our PTFE parts are engineered from high-purity virgin or modified PTFE, delivering exceptional chemical resistance, low friction, broad temperature tolerance, and reliable non-stick performance. As a trusted China PTFE parts factory, we provide factory-direct pricing, ISO 9001 certified quality, and fast global delivery. From standard rods, sheets, tubes, and gaskets to fully custom-machined components, fittings, seals, and accessories, we deliver PTFE solutions that meet the most exacting specifications. Explore our full product range or request a custom quote from our China engineering team.
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Custom Machined Parts
Precision-machined PTFE components to your exact drawings and specifications. CNC turning, milling, and drilling capabilities.
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Stock Shapes & Standard Parts
PTFE rods, sheets, tubes, gaskets, O-rings, tapes, and films – available in multiple grades, sizes, and colors for immediate shipment.
What Are PTFE Parts & Why Choose Kaxite?
PTFE parts (polytetrafluoroethylene parts) are precision-engineered components manufactured from one of the most versatile fluoropolymers in existence. PTFE offers an extraordinary combination of properties – chemical inertness, the lowest coefficient of friction of any solid material, a wide service temperature range (-200°C to +260°C), excellent dielectric strength, and a non-stick surface that resists adhesion. These characteristics make PTFE components indispensable in industries ranging from chemical processing and semiconductor manufacturing to medical devices, aerospace, and food processing. At Kaxite, we combine advanced machining capabilities, proprietary molding techniques, and rigorous quality control to produce PTFE parts that perform reliably in the most demanding environments. Our engineering team works closely with clients to optimize designs for manufacturability, ensuring cost-effective solutions without compromising quality. View all PTFE products from Kaxite.
Key Properties of PTFE Parts
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Chemical Resistance
Inert to most acids, bases, solvents, and hydrocarbons.
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Temperature Range
-200°C to +260°C (-328°F to +500°F) continuous service.
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Low Friction
Coefficient of friction 0.04–0.10 – the lowest of any solid.
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Electrical Insulation
Dielectric strength 20–25 kV/mm – excellent insulator.
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Low Moisture Absorption
Less than 0.01% water uptake – dimensionally stable.
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FDA & USP Compliant
Grades available for food contact and medical device applications.
PTFE Parts – Technical Specifications
| Parameter | Virgin PTFE | Modified PTFE | Test Standard |
|---|---|---|---|
| Density (g/cm³) | 2.15 – 2.20 | 2.16 – 2.22 | ASTM D792 |
| Tensile Strength (MPa) | 20 – 35 | 25 – 40 | ASTM D638 |
| Elongation at Break (%) | 300 – 500 | 250 – 400 | ASTM D638 |
| Melting Point (°C) | 327 | 327 | ASTM D3418 |
| Coefficient of Friction | 0.04 – 0.10 | 0.05 – 0.12 | ASTM D1894 |
| Dielectric Strength (kV/mm) | 20 – 25 | 18 – 22 | ASTM D149 |
| Water Absorption (%) | < 0.01 | < 0.01 | ASTM D570 |
Custom grades and formulations available. Fillers including glass fiber, carbon, graphite, bronze, and molybdenum disulfide can be incorporated to modify mechanical, thermal, or tribological properties. Contact our engineering team for material selection guidance.
Types of PTFE Parts We Manufacture
Rods & Bars
Diameter: 2mm – 300mm; custom lengths. Ideal for machining bearings, insulators, and valve seats.
Sheets & Films
Thickness: 0.1mm – 50mm. Used for gaskets, linings, membranes, and insulating barriers.
Tubes & Hoses
ID: 1mm – 200mm; custom wall thickness. Fluid transfer in corrosive environments.
Gaskets & Seals
Precision-cut or molded seals, O-rings, and custom gaskets for leak-proof connections.
Fittings & Couplings
PTFE and FEP fittings, flexible couplings, connectors, and adaptors for chemical lines.
Custom Machined Components
CNC-machined parts to your drawings – complex geometries, tight tolerances, any quantity.
Industry Applications: Our PTFE parts are trusted in chemical processing (seals, linings), aerospace (bearings, insulators), automotive (fuel system components, O-rings), medical (catheters, surgical instruments), food & beverage (FDA-compliant equipment), semiconductor (high-purity fittings), and pharmaceutical (sterile components) industries. Tell us about your application – we'll recommend the right PTFE solution.
OEM & Custom PTFE Parts – Your Design, Our Expertise
As a leading China PTFE parts supplier, Kaxite offers comprehensive OEM and custom manufacturing services. Our capabilities include:
- CNC Machining – Precision turning, milling, drilling, and threading of PTFE, FEP, PFA, and other fluoropolymers.
- Compression Molding – Custom-molded PTFE parts for high-volume production with consistent quality.
- Die-Cutting – Gaskets, seals, and washers produced from sheet materials with tight tolerances.
- Extrusion – Continuous production of rods, tubes, and profiles in custom diameters and lengths.
- Post-Processing – Surface treatment, adhesive application, etching, and custom packaging.
Whether you need a single prototype or a high-volume production run, our engineering team ensures your PTFE components are manufactured to the highest quality standards. Request a custom quote with your drawings or specifications.
Frequently Asked Questions About PTFE Parts
What are PTFE parts used for?
PTFE parts are used in applications requiring chemical resistance, low friction, high temperature tolerance, and electrical insulation. Common uses include seals, gaskets, bearings, insulators, O-rings, fittings, linings, and custom components in chemical, medical, aerospace, automotive, and food processing industries.
Can I order custom PTFE parts from a China manufacturer?
Yes, Kaxite Sealing specializes in custom PTFE parts manufacturing. We offer OEM services including CNC machining, compression molding, and die-cutting. Submit your CAD drawings or specifications and we will provide a competitive quote within 24 hours.
What is the temperature range for PTFE parts?
Standard PTFE parts operate continuously from -200°C to +260°C (-328°F to +500°F). Modified PTFE grades can offer improved properties at elevated temperatures. For applications beyond this range, alternative fluoropolymers like PFA or FEP may be recommended.
What fillers can be added to PTFE parts?
Common fillers include glass fiber (improves wear resistance), carbon (enhances thermal conductivity), graphite (reduces friction), bronze (increases compressive strength), and molybdenum disulfide (improves lubricity). Fillers are selected based on application requirements.
Are PTFE parts FDA compliant?
Yes, we offer FDA 21 CFR 177.1550 compliant PTFE grades suitable for food contact and pharmaceutical applications. USP Class VI grades are also available for medical device applications. Please specify your compliance requirements when requesting a quote.
What is the typical lead time for PTFE parts from China?
Standard stock parts ship within 3–5 working days. Custom-machined or molded parts typically require 7–15 working days depending on complexity and quantity. Large volume orders may require 20–30 days. We offer air freight and sea freight options to destinations worldwide.
Ready to buy high-quality PTFE parts from a trusted China supplier? Request a free quote today – our technical sales team will respond within 24 hours with pricing, material recommendations, and delivery options. Partner with Kaxite Sealing for reliable PTFE components at competitive factory prices.
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