Why PP Cotton Filter is Always the First Stage of Purification?
At present, the accuracy of industrial water filtration can be divided into four categories: microfiltration, ultrafiltration, nanofiltration and reverse osmosis. No matter what kind of precision, the first level of cartridge is almost always pp cotton cartridge. Why is PP cotton always placed in the first stage? What are its advantages? Polypropylene cotton cartridge is …
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