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PFA

Fluorinated thermoplastic material, offers the advantages of being thermo-processed whilst at the same time having the properties of PTFE, with excellent chemical and mechanical resistance for applications up to 260°C.
Thanks to its fluidity during the processing, the final products in PFA – especially the skived film - are absolutely porous- free, hence very suitable for electrical applications.
MAIN PROPERTIES
PropertiesUnitMethodValue
Physical - Mechanical
Densityg/cm3ASTM D7922.12 - 2.18
Hardness Shore DpointsASTM D2240≥ 55
Tensile strengthN/mm2ISO 527 v = 50mm/min microtensile die≥ 25
Elongation at break%ISO 527 v = 50mm/min microtensile die≥ 300
Flexural ModulusN/mm2ASTM D790500 - 600
Thermal
Melting point°C/280 - 310
Thermal expansion coefficient (linear) 25 - 100°C10-5 (mm/mm)/°CASTM D69612 - 20
Service Temperature°C/-200 / +260
Thermal conductivityW/mKASTM D1770.15 - 0.24
Electrical
Dielectric strengthKV/mmASTM D149≥ 30