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AKU®-FLON PTFE Hollow Rods in PTFE-virginal, PTFE C25 and PTFE GF25

PTFE is very inert.
Even aggressive acids, such as aqua regia, cannot attack PTFE. 
PTFE is only resistant to very strong reducing agents such as solutions of alkali metals (e.g. sodium) in liquid ammonia or to very strong oxidizing agents such as elemental fluorine at higher temperatures;
Application temperature up to 280°C, frost-resistant down to -270°C, can only be bonded after pre-treatment. 
PTFE has a very low coefficient of friction. PTFE slips on PTFE just as well as wet ice on wet ice.
In addition, static friction is just as high as dynamic friction, so that the transition from standstill to movement takes place without jerking.
There are virtually no materials that stick to PTFE, as the surface tension is extrem low. PTFE is difficult to wet.

Other dimensions on request

We can produce pressed tubes/rings from Ø25- to Ø25- as special designs.
max. Ø1440 mm (IØ on request) in lengths up to 300mm.

Weight specifications are theoretical weights, calculation is based on the actual weight.

Available on request:

Other PTFE compounds, e.g. filled with 15% graphite, 40% or 60% bronze, 50% stainless steel (Niro),
25% GF+MoS2, 25% GF+15% graphite, 25% ceramic.

All product designations with ®=reg. Product names are the property of the respective manufacturer

Höhlstäbe Stäbe PVC PP PE PVDF
Cave rods Rods PTFE
Polytetrafluoroethylene

abbreviated to PTFE, is a synthetic fluoroplastic known for its unique chemical and physical properties. PTFE is produced by the polymerization of tetrafluoroethylene (TFE) and is best known under the brand name Teflon®.

Properties of PTFE:

  • High temperature resistance:
    PTFE is extremely heat-resistant and can withstand temperatures of up to 260°C without changing its structural properties. This property makes it suitable for applications in extreme temperature ranges.

  • Excellent chemical resistance:
    PTFE shows exceptional resistance to a wide range of chemicals, acids and bases. It is inert to most chemical substances and is therefore often used in demanding chemical environments.

  • Lubricity:
    The surface of PTFE is extremely smooth, which results in excellent gliding properties. This makes it suitable for applications in mechanical engineering and as a sliding material in bearings and seals.

  • Low friction:
    PTFE has low friction, which makes it interesting for applications in the automotive industry, food processing and other areas.

  • Electrical insulation:
    PTFE is an excellent insulator and is therefore frequently used in the electrical industry for the manufacture of cables, connectors and insulators.

  • Good weather resistance:
    PTFE is resistant to UV radiation and weathering, which makes it suitable for outdoor use.

Applications of PTFE:

PTFE is used in a variety of applications, including:

  • Chemical industry: valves, pipelines, seals and containers due to its chemical resistance.

  • Electrical and electronics industry: cable insulation, connectors and other electrical components.

  • Food processing: non-stick coatings for cookware, seals and conveyor belts.

  • Medical technology: implants, tubes and seals due to its biocompatibility.

  • Automotive industry: Seals, bearings, slideways and components with high temperature resistance.

PTFE is widely used in various technical applications due to its unique combination of properties.

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