Overview of Fluoropolymers, quartz and PEEK

Table of Contents

PTFE

  • Polytetrafluoroethylene
  • Perfluorinated plastic
  • Melting temperature approx. 330°C
  • Application temperature up to + 260°C
  • Almost universal chemical resistance
  • High purity

TFM™-PTFE

  • Perfluorinated plastic with perfluoroalkoxy side chain (<1 wt%)
  • Melting temperature approx. 330°C
  • Application temperature up to + 260°C
  • Almost universal chemical resistance
  • High purity
  • Improved surface structure compared to PTFE

PFA

  • Perfluorinated plastic with perfluoroalkoxy side chain (4-10 wt%)
  • Melting temperature approx. 290°C
  • Application temperature up to + 220°C
  • Almost universal chemical resistance
  • High purity levels
  • Improved surface structure compared to PTFE
  • Lower strength than PTFE and TFM™-PTFE

Quartz

  • Melting temperature above 1100°C
  • Application temperature in digestions up to 300°C
  • Not resistant to hydrofluoric acid
  • High purity levels

PEEK

  • Polyetheretherketone
  • Thermoplastic material that belongs to the group of polyaryletherketones
  • Melting temperature approx. 335°C
  • brown-grey-yellow color
  • Resistant to most organic and inorganic chemicals up to 280°C
  • Unstable in the presence of nitric acid and oxidizing conditions
  • Very good solubility in sulfuric acid at room temperature
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