Frexim İnternational

Fluoropolymers

FLUOROPOLYMERS :

Comparative Overview – PTFE / FEP / PVDF / PFA
Property / PolymerPTFEFEPPVDFPFA
Melt Processability❌ Not melt-processable (sintered)✅ Melt-processable✅ Melt-processable✅ Melt-processable (easier than FEP)
Typical ProcessingPaste extrusion, compression molding, sinteringExtrusion, injection molding, film processingExtrusion, molding, coating, membrane castingExtrusion, injection molding, high-purity molding
Continuous Service Temp.−200 °C to +260 °C−200 °C to +200 °C (short peaks to 260 °C)−40 °C to +150 / 160 °C−200 °C to +260 °C
Chemical ResistanceOutstanding (best overall)ExcellentVery goodOutstanding (very close to PTFE)
Purity / ExtractablesVery highHighHigh (battery grades available)Highest purity (semiconductor grade)
Mechanical StrengthGood but soft, low wear resistanceModerateHigh, strong, toughGood, better than FEP
TransparencyOpaque whiteHigh transparencyOpaqueSemi-transparent
Electrical PerformanceExcellent dielectric propertiesExcellent dielectric & low lossGood dielectricExcellent dielectric, similar to FEP
Typical Cost LevelMid–HighMidLow–Mid (depending on grade)Highest among listed fluoropolymers