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Difference of PP folding filter, PTFE folding filter, PES folding filter
- 2019-03-05-

Folding filter Cartridge to film as the core of the membrane folding filter, filter Shell center rod and end cover selection of hot-melt welding technology processing molding, does not contain any glue, no leakage, no two pollution. According to the different raw materials, folding filter can be divided into PP polypropylene folding filter, PTFE PTFE Folding filter,PES Folding Filterand nylon folding filter cartridges. Today we will find out the differences in the raw materials of these folding filter cartridges.
  PP Folding Filter, as a kind of only relative precision, pre-filter filter material (very cheap), it can only intercept the larger colloid, granular class, its role in order to prevent large particles and other blockage of the terminal filter membrane, the back of the terminal filter to play a protective role. However, it has a strong adsorption performance, a large amount of dirt, this is PES and PTFE can not reach. As a kind of relative precision raw material, its aperture size generally means little without fetters.
PTFE PTFE Folding Filter, the general can be divided into hydrophilic PTFE and hydrophobic PTFE, hydrophilic filter liquid, hydrophobic filter gas, according to the casting process can be divided into casting film and successive casting mold. Because of the unique four F atom surrounding carbon structure of PTFE, it gives this data strong chemical stability, acid resistance, high alkali resistance, and resistance to organic solvents. In the case of PTFE this information itself is hydrophobic, hydrophilic PTFE is treated, so hydrophilic PTFE filter membrane liquid flux is relatively poor. PTFE is a positive precision filter membrane that can be used with the terminal liquid to remove bacteria, and gas to remove bacteria.

PES folding filter, its filter medium is the world's advanced polyether sulfone microporous filter membrane, polyether sulfone membrane hole accounts for more than 80% of the volume of the filter membrane microporous opening rate, with a unique microporous geometry, improve the filtration of the difficult solution of the filter power and flux. Using Polyether sulfone and polypropylene support two kinds of data combined with hot melt composition, no binder, suitable for the more stringent requirements of the chemical and pharmaceutical industries. Main features: Unique hydrophilic energy, does not contain surfactants and surface lubricants, for the filtration solution to provide a high level of filtration accuracy and flux, the application of a wide range of ph, protein and precious biological agents of low adsorption, high retention rate, excellent chemical tolerance and thermal stability, good strength, positive and reverse pressure impact.
Nylon Folding Filter, its filter medium for hydrophilic nylon microporous filter membrane, the use of nylon and polypropylene support two data combination of hot melt, no adhesives, no fiber shedding, suitable for the more stringent requirements of the chemical and pharmaceutical industry. Main Features: Hydrophilic performance is stable, strong flexibility, high retention rate, excellent chemical tolerance, especially suitable for the filtration of organic solvents. Resistant to positive and reverse pressure shocks.
These folding filter cartridges have outstanding chemical compatibility, suitable for filtering strong acid, strong alkali and organic solvents, membrane filtration area, low pressure difference, high pollution ability, long service life and other characteristics, users can choose the right raw materials according to the needs.

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