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PFA Specifications (perfluoroalkoxy)
Grade: 350
Physical properties:
• Specific gravity: 2.12-2.17 (ASTM D792)
• Color: Natural
Mechanical properties:
• Tensile strength: 4,000 PSI (ASTM D3307)
• Elongation: 300-500% (ASTM D3307)
• Flexural modulus: 90,000-10,000 PSI (ASTM D790)
• Hardness: D55
Thermal properties: • Melting point: 302-310°C
Electrical properties: • Dielectric strength: 2000 (V/mil) (ASTM D149)• Dielectric constant: 60-106 Hz 2.03 (ASTM D150)• Dissipation factor: 60-106 Hz 0.001 (ASTM D150)• Volume Resistivity: ohm.cm 1018 (ASTM D257)
General:
• Water absorption: 24 hour <0.03 % (ASTM D570)
• Weather and chemical resistance: Outstanding
• Limiting oxygen index: >95 % (ASTM D2863)
PFA 350 meets ASTM D3307 Type III
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