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Types of production materials of ro uf membrane

Author:Huamo Water treatment materials FROM:Water filter membrane manufacturer TIME:2021-12-07

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    With the rapid rise of ro uf membrane in various fields, there are many ultrafiltration membrane material on the market, and the quality and main purposes of different raw materials are also different. Many consumers have a headache when choosing. The following introduces the production raw materials of ro uf membrane, and compares different materials and properties to choose uf membrane module that suits your needs.

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    1. Polyacrylonitrile (PAN) PAN is a kind of membrane material used in the early days. It is a hydrophilic material and easy to coat. The advantages are that the materials are easily available, the film production cost is low, the production process is simple, and the daily output is large. The disadvantages are low compressive strength, high ductility, and poor acid and alkali resistance.
    2. Polystyrene plastic (PS): good organic chemistry reliability, good acid and alkali resistance, good water absorption, good compressive strength, good heat resistance, and good biological fusion. The disadvantage is that the price of raw materials is high, and the relative molecular weight of the interception flow is low. It is suitable for unique raw material separation, extraction purification and heat resistance.
    3. Polyvinylidene fluoride (PVDF): high elongation, not easy to break, good acid and alkali resistance, strong stain resistance, solvent cleaning resistance, chemical cleaning resistance and high concentration residual chlorine solution. The material cost is relatively high and it is suitable for industrial sewage treatment.
    4. Polyethylene (PVC): good compressive strength and ductility, not easy to break the wire, high filtration precision, strong oxidant, long service life, common materials, low price, but poor hydrophilicity. Used for purified water filtration and industrial water treatment.

    5. Polypropylene (PP): The material is cheap, the whole process of environmental protection, low consumption, low cost, good acid and alkali resistance, resistance to organic solutions. It is usually manufactured by the stretching method to realize the microfiltration grade. The disadvantages are low filtration accuracy, easy to be polluted by the environment, backwash recovery, high tensile strength, and large total membrane area. Used for purified water filtration and wastewater treatment.

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    Generally speaking, the above-mentioned ro uf membrane materials have their advantages and disadvantages, as long as you select the corresponding ultrafiltration membrane 1 according to your needs, you can use it.

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