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Home / Materials Selector / PTFE and PTFE Compounds / Grades of PTFE & PTFE Compounds / Grades of PTFE Compound

The properties of PTFE can be modified by adding a range of fillers. Because PTFE is an inherently soft material making it ideal for sealing applications, it usually needs reinforcement to enhance the wear and creep resistance. Chemical inertness and electrical properties are also affected by fillers.

There are many fillers used as additives to PTFE. Subsequently there are over 300 different grades of PTFE Compound available on the market. Many of these have become industry standards, such as 25% Glass Filled PTFE and many are custom made, such as 10% carbon fibre + 5% bronze filled PTFE. Please see Fillers for PTFE for more information.

We can manufacture parts from any PTFE Compound you specify. As with PTFE virgin materials, there are some key parameters to consider when specifying a supplier for components made from PTFE Compounds, such as:

We can manufacture parts from any PTFE Compound you specify. As with PTFE virgin materials, there are some key parameters to consider when specifying a supplier for components made from PTFE Compounds, such as:
  • There are several manufacturers of PTFE Compound raw powder materials. They all use different manufacturing techniques and different suppliers for their PTFE base resins and fillers - variation will occur between suppliers of your parts.
  • There may be more than one grade of a particular type of filler. For example, there are more than 4 different types of bronze filler - each will produce different properties.
  • The processing method used to convert PTFE Compound raw materials into a semi-finished stock shape will affect the properties of your finished component. You should work with a supplier who has total control over this part of the manufacturing process.



It is not possible to provide details of every PTFE Compound available so we have listed the main fillers used in PTFE Compounds together with a brief summary of the effect they have on the properties of a finished component.

If you require any guidance on choice of filler or availability of a compound - please contact us - we have extensive experience in this field.

Filler Types

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Grades of PTFE | Grades of PTFE Compound | Filler Types

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