What are the properties of PTFE?
PTFE (Polytetrafluoroethylene) is versatile due to its chemical resistance and temperature resistance from -100 °C to 250 °C. It is resistant to almost all media, except for highly alkaline metals and fluorine under high pressure. PTFE gaskets are particularly suitable for applications that require high standards of resistance and purity.
Properties of PTFE
| Product Specification | Sealing material |
| Material | Polytetrafluoroethylene (PTFE) |
| Color | white |
| Technical Properties | |
| Operating Temperature | -100 °C to 250 °C / -148 °F to 482°F (depending on medium and application area) |
| Temperature Durability | up to 200 °C |
| Melting Point | 327 °C |
| Working Pressure | up to 55 bar / 800 psi (depending on medium and application area) |
| Physical and Chemical Properties | |
| Physical | Very good aging resistance, good pressure and temperature resistance |
| Chemical | Nearly universally resistant, not usable with alkali metals, elemental fluorine, and chlortrifluoride at high pressures |
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