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In contrast to PTFE, perfluoroalkoxy (PFA) is a thermoplastically processable plastic that shares many of the advantages of PTFE, such as very good chemical resistance, high temperature resistance from -200°C to +260°C, excellent sliding properties, good insulating behaviour and slightly higher water absorption than PTFE. The thermoplastic properties of PFA are achieved by adding a modifier during the production of the raw material. PFA is mainly used for linings and jackets in the chemical industry.

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In contrast to PTFE, perfluoroalkoxy can be processed thermoplastically.

However, the structure of the molecular chains is similar, so that most of the advantages known from PTFE can also be found in this plastic.

The thermoplastic properties are achieved during the production of the raw material by adding a modifier. PFA is used at HEUTE + COMP. GmbH+Co. mainly for linings and jackets for the chemical industry. The properties of P FA are

  • Very good chemical resistance
  • High temperature resistance Continuous service temperatures from -200°C to +260°C (without mechanical stress) See table
  • Excellent sliding properties Easy to clean
  • Good insulation behaviour The volume resistivity for PFA, as for PTFE, is 1018 Ohm*cm.
  • Water absorption Water absorption is slightly higher than with PTFE and is 0.03% after 24 hours.

Richtwerte PFA (DE)

tabelle richtwerte pfaDownload

Eigenschaften PFA (DE)

tabelle eigenschaften pfaDownload