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PFA
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PFA

PFA Coating Systems

In the polymer PFA, a perfluoroalkoxy group is added to the polymer chain, which is an even greater change. Typically, a perfluoropropyl group is added.
Another group is a perfluoromethyl vinyl ether, which produces the polymer MFA. The large pendant group added further reduces the crystallinity and, depending on the molecular weight, strongly influences the melt viscosity.


Properties of PFA

  • Chemical resistance, lower surface energy and electrical resistance remain the same as PTFE

  • Continuous operating temperature up to 260°C [500 °F]

  • Coefficient of friction 0.2