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Avalon® 56 HP

High Purity Plastic Components for Wet Applications


Greene, Tweed offers precision plastic components designed for a variety of demanding semiconductor applications. Avalon® 56 HP —a high-performance plastic based on the latest generation modified PTFE—is ideal for improving the performance of wet wafer processing systems that require exceptional chemical resistance and very low extractable levels. In addition, Avalon 56 HP provides a very high level of purity, a wide temperature operating range, and superior low friction and dielectric properties.

Features & Benefits

  • Lower void content, less porosity and minimal permeability compared to standard PTFE
  • Reduced cold flow resulting in longer service life compared to standard PTFE
  • Extremely low extractable levels
  • Precision components available in a variety of configurations
  • Lower costs of ownership and higher yields


  • Valve and pump components
  • Manifolds
  • Wafer carriers
  • Fittings
  • MSE® seals
  • Low friction slide rails

Test conducted with 2% HNO3 for 2 days @ 68ºF (20ºC).