High temperature resistant ptfe flat membrane selection
PTFE flat membrane is an excellent polymer material that is resistant to high temperatures, corrosion resistance, excellent dielectric properties, stable chemical properties and good mechanical properties. Therefore, the material is widely used in engineering and military , all aspects of life.
However, polytetrafluoroethylene polymer is non-polar and its surface free energy is very low, which makes its surface wetting and hydrophilic properties very poor, which affects its wide application in actual production.
PTFE flat membrane products have excellent breathability and aging resistance.
According to the usage requirements, the pore diameter can be between 0.1-10um, the thickness can be between 2-100um, the porosity can reach 50%–80%, and there are up to hundreds of millions of micropores per square centimeter.
It is one of the materials with the best corrosion resistance in the world today. Except for a few chemicals such as chlorine trifluoride and liquid chlorine, it is resistant to all other chemical reactions and is insoluble in strong acids, strong alkali and organic solutions. It does not change in hydrochloric acid.
The temperature resistance range is -195℃～250℃, and the long-term use temperature is -100℃～250℃.
? is a manufacturer specializing in the production of polytetrafluoroethylene membrane materials. In the field of industrial sewage treatment, we have the characteristics of “uniform and stable, high efficiency and low resistance, long life, customizable, easy cleaning and maintenance” and are accepted by the majority of enterprises. and fondness.
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