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PTFE (polytetrafluoroethylene)

PTFE (polytetrafluoroethylene)

Polytetrafluoroethylene is known as the "king of plastics." It is a highly crystalline polymer of tetrafluoroethylene (TFE) monomer, a white, waxy feel thermoplastic. With other materials can not be compared to solvent resistance, chemical and low cohesive energy density, while having good thermal stability and chemical inertness, very low surface friction factor and good ductility at low temperatures. The high degree of crystallinity makes PTFE processing more difficult. PTFE is one of the best materials for corrosion resistance in the world today. Except for molten metal sodium and liquid fluorine, it is resistant to all other chemicals. It does not change when boiled in aqua regia. It can be used at temperatures from -190°C to 260°C for long periods of time. jobs.

Main features:

1.Excellent chemical stability and electrical insulation performance

2.Excellent lubricity and stability

3.Excellent aging resistance and radiation resistance

Application areas:

1. Corrosion-resistant pipes and accessories: conveying pipes, pipe connections, feed pipes, discharge pipes, wire flexible sleeves, etc.

2. Chemical equipment: heat exchangers, distillation equipment (column, column, heat exchanger, storage tank, valve, elbow, tee, etc.)

3. Filter material: electrolytic diaphragm, gas dialysis membrane, oil-water separation membrane, etc.

4. Sealing materials: sealing gaskets, gaskets, etc. laminated with sheet, M or V-shaped metal foil.

5. Mechanical parts: bearings, sliders, piston rings, guide rings, guide rails, spherical bearings, etc.

6. Electronic and electrical industry: PTFE wires and cables are widely used in micro-motors, thermocouples, program-controlled devices, aviation, radar, television, rocket and other industries.

7. Medical industry: PTFE can be used as a human organ in medicine, such as artificial blood vessels. Heart valve, etc .; it can be used as a bearing support in the building.