PTFE microporous membrane is a flexible and elastic microporous material. This material has high porosity, uniform pore size distribution, and is breathable and impermeable. It can be used as a sterilization filter membrane, electrolysis membrane, etc. Diaphragms, gas dialysis membranes, ultra-clean filtration membranes for various solvents, etc.
Common viscous liquids include: paint, animal glue, sulfonated mucus, polyacrylonitrile, cellulose acetate, etc.
These substances themselves are very viscous and their particles are very small, about a few microns or even lower.
Some particles are also electrically charged. Removing them to make them non-conductive is a task that precision filtration must undertake.
PTFE microporous membrane is mainly made of refined nitrocellulose, adding appropriate amounts of cellulose acetate, acetone, n-butanol, ethanol, etc. It is hydrophilic, non-toxic and hygienic, and is a porous membrane filtration membrane. Material, pore size distribution is relatively uniform, penetrating micropores, microporosity is as high as 80‰ absolute pore size.
It is mainly used for filtration of aqueous solutions, so it is also called aqueous membrane.
The polytetrafluoroethylene microporous membrane is prepared using a unique biaxial stretching technology, which can ensure the complete retention of bacteria and other impurities while having a large flux.
The material is resistant to high temperatures, strong acids and alkali, and has wide chemical applicability. When used for gas filtration, it can achieve 100% retention of various phages, bacteria and particles above 0.02um.
PTFE microporous membrane has high filtration efficiency and can meet the filtration efficiency level requirements of sub-high efficiency, high efficiency and ultra high efficiency air filters.
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