PB20000 SERIES

PFA

PerFluoroAlkoxy (PFA) is a chemically modified form of PTFE resin that combines many of the benefits of the parent resin with several new ones.  PFA offers both melt processing and the same upper continuous temperature as PTFE, i.e. 500°F (260°C).

The additional benefits may include enhanced purity, improved thermal stability while processing, and chemical inertness. The enhanced purity of PFA makes it suitable for applications that require improved color, lower extractable fluorides, and freedom from other foreign materials.

Examples are in semiconductor manufacture, fluid handling systems for industry or life sciences, and instrumentation for precise measurements of fluid systems. PB20000 materials meet the requirements of ASTM D3307.

PBY Material Codes:

PB20000F - PFA

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PFA Properties

  • Chemically Inert to a variety of industrial chemicals and solvents
  • Exceptional diaelectric insulation properties
  • Low moisture absorption
  • Low coeffiction of friction
  • Non-stick surfaces
  • Weather resistant

Typical Applications

  • Pipe linings and pump housings
  • Chemical processing equipment
  • Wet bench equipment
  • Tank linings
  • Wafer carriers
  • Food processing and packaging equipment

Requirements

PB20000F meets ASTM D3307 Type II requirements.

Downloads

PB20000F - Material Data Sheet

PFA
Spec. Summary
Property Test Method Units PB20000F
Color - - White
Specific Gravity ASTM D792 - 2.120 - 2.170
Hardness Shore D ASTM D2240 - 57 - 67
Tensile Strength, min. ASTM D3307 PSI [MPa] 3,625 [25]
Elongation at Break, min. ASTM D3307 % 300
Service Temperature High - °F [°C] 500 [260]
Service Temperature Low - °F [°C] -400 [-240]
Second Melt Peak Temp. ASTM D3418 °F [°C] 588 [309]
Glass Transition Temp. ASTM D3418 °F [°C] 194 [90]

Spec. Compliance

REFERENCES

  • Wypych, George. Handbook of Polymers. 2nd Ed., ChemTec/Publishing, 2016.
  • Ebnesjjad, Sina. Fluoroplastics Vol1 & Vol2. 2nd Ed., Elsevier Inc., 2015.
  • Aerospace Materials Specifications for PTFE materials (AMS3678)
  • American Society for Testing and Materials (ASTM) Standards

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