PTFE CNC Machining

PTFE CNC Machining

Offering top-of-the-line PTFE/Teflon CNC Machining services with fast turnaround times.

Whether you need quick-turn prototypes or high-volume PTFE machined parts, we've got you covered. ISO 9001:2015, ISO 13485, and AS9100D certified.

PTFE CNC Machining

Polytetrafluoroethylene (PTFE) is a versatile fluorocarbon-based polymer, famously recognized under the brand name Teflon® by Dupont. This synthetic fluoropolymer thermoplastic boasts exceptional electrical properties, high-temperature resilience, and impressive resistance to chemicals. Its widespread applications span from serving as a non-stick coating in frying pans to crucial roles in medical devices. In essence, PTFE, synonymous with Teflon, stands out for its unique combination of qualities, making it a material of choice for an array of practical uses.

PTFE CNC machining is often employed in various industries where precise and complex components are required. This can include manufacturing PTFE parts for use in valves, seals, gaskets, electrical insulators, and other applications. The CNC process allows for high precision, tight tolerances, and the ability to produce intricate shapes, making it well-suited for working with PTFE, which is a material known for its unique set of properties.

Why Choose Dadesin for PTFE CNC Machining Services

Strict Quality Management

Our inspection instruments include German Zeiss CMM, Wanhao image measuring instrument, Hitachi handheld spectrometer, Mitutoyo roughness measuring instrument, etc.

Our Certification

Dadesin was full certificated by ISO9001:2015, IATF16949:2016.

fast Delivery

Dadesin has 200+ sets of high precision CNC machining and CNC milling centers and we can take your project from engineering design to delivery faster than our competitors.

Quality Assurance

Full inspection service for all projects.

PTFE Material Properties

Teflon is well-known for its excellent electrical stability in different conditions, making it a top pick in the aerospace industry for its versatile coatings. Because it resists chemicals and slides well, PTFE (Polytetrafluoroethylene) is widely used in seals, housings, linings, and bearings. Here are key material properties of PTFE:

Teflon PTFE

Teflon PTFE Properties

Tensile Strength, Yield Elongation at Break (%) Hardness Density Maximum Temp
4,500 psi 300% Rockwell R60 0.046 lbs / cu. in. 400° F

PTFE At a Glance

Application CNC machining produces parts with excellent mechanical properties, accuracy and repeatability from metal and plastic. 3-axis & 5-axis CNC milling available.
Advantages Excellent mechanical properties,High accuracy & repeatabillity.
Weaknesses Greater geometry restrictions than 3D printing
Lead Time Typically, it takes a minimum of 3 days to produce PTFE parts, and this duration may extend for complex or internationally sourced components.
Price $$$$$
Tolerances It is determined by the desired effect and the PTFE type used. A tolerance of ±0.010” (±0.25 mm) is available at Dadesin.
Wall Thickness The minimum wall thickness for PTFE parts is approximately 0.80 mm (about 0.03 inches). This value might vary based on the ratio of wall thickness to planar dimension.
Max part size 200 x 80 x 100 cm(the available size is mostly decided by the machine and part geometry).

Custom PTFE Parts

Communication equipment housing

Communication equipment housing

Aluminum housing

Aluminum housing

CNC aluminum housing

CNC aluminum housing

Vehicle part

Vehicle part

Aluminum alloy motor housing cover

Aluminum alloy motor housing cover


Applications Of PTFE Machined Parts

PTFE's popularity extends to backup rings, distribution valves, and electrical insulation applications, showcasing its adaptability across various industries:

Automotive Industry: Machined Teflon parts are favored in the automotive industry because of their precise and accurate machining. PTFE, commonly used in applications like gears and valves, showcases its reliability in various automotive components.

Medical Parts Industry: Teflon mechanical parts are widely used in medical parts manufacturing due to its flexibility and chemical inertness. They are biocompatible because they maintain their structural and chemical stability when implanted in the body. Examples of PTFE machined parts used to manufacture medical parts are valves and needle housings.

Aerospace Industry: Teflon machine parts are also suitable for use in the aerospace manufacturing industry due to their mechanical properties such as strength and low friction, as well as the accuracy and flexibility of CNC machining processes. Common Teflon parts manufactured using this process include components and coatings for anti-wear systems.

Request a Free CNC Machining Quote Now

Our in-house equipment includes 5-axis mills with edge finding equipment, ZEISS CMMs, Olympus XRF analyzers, and a range of cutting tools for efficient chip removal. We can guarantee the nylon material will be the exact material that you need for your project and can ensure the right tolerances according to your needs. Take our services out for a test drive: send us your CAD files to see our fair pricing rate and fast speeds for yourself.

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CNC Machining

PTFE CNC Machining FAQs

  • What is PTFE?

    PTFE, or Polytetrafluoroethylene, is a synthetic fluoropolymer known for its non-stick properties, chemical resistance, and high-temperature stability.

  • What makes PTFE suitable for medical applications?

    PTFE is biocompatible, maintaining stability when implanted, and its chemical inertness makes it ideal for medical devices and implants.

  • How does PTFE differ from other plastics?

    PTFE stands out with its exceptional non-stick properties, high resistance to chemicals, and excellent electrical insulation.

  • Are there design considerations for PTFE CNC machining?

    Yes, considerations include tolerances, tool selection, and designing for the unique properties of PTFE.

  • Can PTFE CNC machining create intricate shapes?

    Absolutely, CNC machining allows for the production of intricate and precise shapes, meeting the demands of various applications.

  • What is Teflon?

    Teflon is a brand name for Polytetrafluoroethylene (PTFE), a synthetic fluoropolymer known for its non-stick properties and versatility.


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