Fluoropolymers
Fluoropolymers, as PVDF, FEP, PFA are used for lining of equipments, tanks, columns, vessels, reactors, heat-exchanging equipment. Having high characteristic of chemical resistance and possibility of using lining at high temperatures (up to +250?C), PTFE lining are widely used in different industries. Owing to easy weldability of PVDF, FEP, PFA sheets, it can be made lining for equipment with complex geometries. Lining with a sheets can be easy fixed and sticked to tanks and columns.
Main technical data:
| Properties | Unit | PVDF | FEP | PFA |
|---|---|---|---|---|
| Density | g/cm3 | 1,78 | 2,15 | 2,15 |
| Elongation | % | 200 | 240-350 | 300 |
| Shore hardness (scale D) | 77-80 | 55 | 55 | |
| Coefficient of thermal line expansion of material | 10-5 К-1 | 12,5-14 | 10 | 14 |
| Melting point | °С | 175 | 275 | 305 |
| Operating temperature | °С | от -40°С до +150°С |
от -190°С до +205°С |
от -196°С до +260°С |
| Electrical resistivity | Ohm*cm | 5*1014 | 1016 | 1018 |
| Workspace | Water, gases, alkali, acids, corrosive medium |
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