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Types and multi-purposes of polytetrafluoroethylene microporous membranes



Polytetrafluoroethylene (abbreviated as ptfe) is generally called “non-stick coating” or “easy-to-clean material”. This material is resistant to acids, alka…

Polytetrafluoroethylene (abbreviated as ptfe) is generally called “non-stick coating” or “easy-to-clean material”.

This material is resistant to acids, alkalis, and various organic solvents, and is almost insoluble in all solvents.

At the same time, PTFE has the characteristics of high temperature resistance and its friction coefficient is extremely low, so it can not only provide lubrication, but also become an ideal coating for easy cleaning of the inner layer of water pipes.

The polytetrafluoroethylene microporous membrane prepared by Suzhou New Material Technology Co., Ltd. through a special biaxial stretching process has extremely high porosity and uniform pore size distribution. It is breathable and impermeable and is widely used in air purification. , industrial dust removal, medical medicine, electronic appliances, clothing protection and other fields: (1) Air purification filtration polytetrafluoroethylene microporous membrane is widely used in vacuum cleaner pleated filter elements and indoor air filter pleated filter elements, with high efficiency and easy cleaning , washable features.

(2) Industrial dust removal filter bags help power plants, cement plants, steel plants, etc. reliably control particulate matter emissions and pollution.

PTFE coated filter bags can effectively capture particulates, ensure near-zero emissions, have excellent dust stripping performance, extend service life and stability, thereby reducing costs.

(3) Filtration in the pharmaceutical, food, bioengineering and other industries can obtain different bubble point pressures by adjusting the pore size of the polytetrafluoroethylene microporous membrane to meet different filtration precisions.

And it has two categories: hydrophobic and hydrophilic: Hydrophobic: used for gas filtration to achieve sterility, large flux, high temperature resistance, strong acid and alkali resistance, wide chemical applicability, suitable for fermentation tanks, carbon dioxide, Nitrogen, compressed air.

When used for gas filtration, it can intercept 100% of various phages, bacteria and particles above 0.02um.

Hydrophilicity: used for liquid filtration to achieve sterility, wide chemical applicability, resistance to strong acids and alkali, and high ozone intensity.

(4) Precision electronic products, lighting equipment, waterproof mobile phones and other fields.

Precision electronic products have waterproof and breathable requirements. On the one hand, they need to maintain smooth air and constant internal and external pressure. On the other hand, they need good waterproof properties to prevent electrical components from getting wet, and polytetrafluoroethylene microporous membranes can do this very well. To meet such needs, the ultra-high porosity ensures the flow of gas, and the tiny pore size and hydrophobic properties prevent the entry of water droplets.

(5) Outdoor sportswear or equipment.

PTFE microporous membrane has excellent waterproof performance and can effectively block rainwater.

And it has good breathability, which can effectively eliminate sweat and maintain human body comfort.

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