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Do you know PFA?


PFA fluoroplastic is a plastic made of fluororesin, also known as soluble polytetrafluoroethylene (soluble PTFE). This material has many excellent properties, including high temperature resistance, chemical resistance, low coefficient of friction, good electrical properties, and excellent creep resistance and compressive strength. Its long-term use temperature range is between -196°C and 260°C, it is corrosion-resistant to all chemicals, its friction coefficient is the lowest among plastics, and its electrical insulation is not affected by temperature, so it is known as the “King of Plastics”.

PFA fluoroplastics can be processed in various ways, including injection molding, extrusion and molding, etc., and are relatively easy to process into products of various shapes and specifications. Its product forms include granular products for molding and extrusion, and powdered products for rotational molding and coatings. Its semi-finished products include films, plates, rods and tubes.

Due to the excellent properties of PFA fluoroplastic, it is widely used in many fields. In the chemical industry, it is used as a pipeline to transport various chemicals because it has good corrosion resistance to chemicals such as acids, alkalis, and organic solvents. In the semiconductor manufacturing and photovoltaic industries, PFA tubes are used to transport high-purity chemicals to maintain the purity of the production environment. In the biological and pharmaceutical industries, it is used to transport biomedical samples, reagents, and drugs because it is inert to biological materials. In addition, in the electronics industry, PFA fluoroplastics are also often used to transport corrosive chemicals or as insulation materials to protect cables.

In the process of preparing PFA fluoroplastics, the main raw materials are tetrafluoroethylene (C2F4) and hexafluoropropylene (C3F6). Both gases are colorless, odorless and toxic gases at room temperature. The preparation process includes a polymerization reaction to convert tetrafluoroethylene and hexafluoropropylene into polyperfluoroethylene-propylene. This process is usually carried out under the action of a catalyst and needs to be carried out under specific temperature and pressure conditions to ensure that the desired properties are obtained. Performance PFA material.

In general, PFA fluoroplastic is a material with excellent performance and wide application. Its unique properties make it play an important role in many fields.

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