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PFA Properties

Views: 0     Author: Site Editor     Publish Time: 2023-08-25      Origin: Site

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Perfluoroalkoxy Polymer- Chemical Compound (PFA)

PFA is a co-polymer product of PTFE. The co-monomer perfluoroalkyl vinyl ether interferes in the crystallisability and molecular weight to achieve good mechanical properties and melt processability without sacrificing thermal performance and chemical resistance. The key advantage of PFA is its melt processability because of lower melt viscosity than PTFE.

Because of the high strength between Carbon, Fluorine and Oxygen atoms, PFA exhibits similar properties to PTFE over a large range of temperatures. Some other differences from PTFE are: Good permeability resistance because of lower void content and better deformation (Cold flow) resistance.

PFA has an outstanding chemical resistance, even at elevated temperature. It is resistant to strong mineral acids, inorganic bases, and inorganic oxidizing agents and to most of the organic compounds and their mixtures common in the chemical industry. However, it will react with fluorine and molten alkali.

PFA is semi-crystalline material, the maximum achievable Crystallinity is 60%.

Key features:

  • Chemically stable

  • Excellent dielectric strength

  • Wide temperature range (-200°C- +260°C)

  • Resistant to nearly all chemicals

  • Antistick properties

  • Low co-efficient of friction

  • FDA approved

  • High purity

  • UV Resistant

Typical applications

  • Medical tubing

  • Heat exchangers

  • Semi-conductor baskets

  • Valve liners

  • Pumps and fittings

  • Electrical insulation

  • Insulator bushes


PFA

APPLICATION INDUSTRY

Aerospace
Semiconductor
Photovoltaic
Energy Storage
Architectural field
Medical instrument
 

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