Size (ML) | 50 | 100 | 150 | 200 | 250 | 500 | 5000 |
Size (ML) | 25 | 50 | 100 | 250 | 500 |
Size (ML) | 10 | 25 | 50 | 100 | 250 | 500 |
Fluoroplastic performance comparison table | ||||||||||||||||
Item | Test method(ASTM) | Unit | PTFE | PCTFE | PFA | FEP | ETFE | PVDF | ||||||||
Specific gravity | D792 | - | 2.14~2.20 | 2.10~2.20 | 2.12~2.17 | 2.12~2.17 | 1.73 | 1.75~1.79 | ||||||||
Melting point | - | ℃ | 327 | 220 | 310 | 275 | 270 | 160~170 | ||||||||
Tensile strength(23℃) | D638 | MPa | 20-34 | 31-41 | 27-29 | 18-22 | 45 | 30-50 | ||||||||
Tensile elongation percentage | D638 | % | 200~400 | 80~250 | 250~330 | 250~330 | 100~400 | 50~250 | ||||||||
Compression strength(23℃ maximum) | D695 | MPa | 11.8 | 31~51 | 16.7 | 15.2 | 49 | 50~100 | ||||||||
Hardness | D2240 | - | 54~58 | 75~80 | 60~64 | 55~65 | 75 | 70~80 | ||||||||
Kinetic friction coefficient | 0.69MPa、3m/min | 0.1 | 0.37 | 0.2 | 0.3 | 0.4 | 0.3 | |||||||||
Highest temperature for continuous use | No load | ℃ | 260 | 120 | 260 | 200 | 150 | 120 | ||||||||
Heat distortion temperature(1.82MPa) | D648 | ℃ | 55 | 75 | 47 | 50 | 74 | 84 | ||||||||
Linear expansion coefficient(Temperature range) | D696 | 10-5/℃ | 12.4 | 4.5~7.0 | 12 | 8~10.5 | 9.0~9.3 | 7~14 | ||||||||
℃ | 25~100 | 23~60 | 21~100 | -73~71 | 20~90 | |||||||||||
Volume resistivity(23℃ 50%RH) | D257 | Ω-cm | >1018 | >1018 | >1018 | >1018 | >1016 | 2×1014 | ||||||||
Breakdown voltage(3.2mm thick) | D149 | MV/m | 19 | 20 | 20 | 20 | 16 | 12 | ||||||||
Dielectric constant | D150 | - | 2.1 | 2.5~2.8 | 2.1 | 2.1 | 2.4~2.6 | 7 | ||||||||
Dielectric loss tangent(×106Hz) | D150 | - | <0.0002 | 0.009~0.017 | 0.0003 | <0.0005 | 0.005 | 0.1 |