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What is PP filter core? From A to Z about PP fine filter core

5 tháng 2, 2026 8:56 AM
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1. What is PP filter core?

PP filter core is a filter core made from Polypropylene (PP) - a thermoplastic polymer, produced by pressing and extruding PP plastic fibers into cores with different diameters. PP filter cores are commonly used in household water purifiers and industrial filtration systems.

PP fine filter core is used to remove dirt, moss, and impurities with super small sizes from 5 to 1 micron, helping the filtered water become purer, protecting the health of users. This filter core also plays a role in protecting the RO filter membrane from dirt causing blockage.

PP filter core has good chemical resistance to many types of acids and bases, protecting the core from corrosion. In addition, this filter core also has good moisture absorption capacity, can withstand high temperatures from 60℃ to 80℃ with an average durability of about 9 months depending on the frequency of use and the concentration of impurities in the water.

PP filter core with super small filter membrane size helps remove most impurities and dirt

PP filter core with super small filter membrane size helps remove most impurities and dirt

2. PP filter core classification

According to the filtering mechanism, PP fine filter cores have two main types:

  • Surface Filters : Remove impurities by holding them on the surface of the filter, providing high filtration efficiency but need to be replaced regularly because they are easily clogged.
  • Depth Filters : Remove impurities by trapping them inside the filter. Compared to surface filters, depth filters have lower filtration efficiency but have higher load capacity and longer life.

According to size, PP fine filter cores come in many different sizes, the most common are fine filter cores - PP 1 micro and PP 5 micron:

Core name Structure Function Lifespan Price
PP core 1 micro Made from high density compressed polypropylene cotton to form a filter pore system with a size of only 1 micron. Removes impurities larger than 1 micron, protecting the RO membrane from clogging residue. 6 - 9 months 200,000 VND
PP core 5 micro Made from international standard polypropylene cotton fibers. They form a protective screen to filter out dirt, mud, rust and sand particles larger than 5 microns. Remove suspended impurities larger than 5 microns 3 - 6 months 100,000 VND

The choice of PP filter core will depend on the intensity of use as well as the quality of the input water. Deep filter core is suitable for relatively clean water sources and filter core Surface filtration is often chosen by families with water sources with many impurities and dirt. Most water purifiers today integrate 1 micro pp filter core and 5 micro pp filter core to increase filtration efficiency.

Mutosi water purifier is a product that integrates 2 PP filter cores of 1 micro and 5 micro along with many functional filter cores to help bring the purest water source.

Mutosi water purifier is a product that integrates 2 PP filter cores of 1 micro and 5 micro along with many functional filter cores to help bring the purest water source.

3. Advantages of PP filter core

PP filter cores are now widely used in water purifier products as well as industrial water filtration systems due to many advantages:

  • Good filtration performance : Helps remove impurities, bacteria, and dirt particles with super small sizes, providing pure water, ensuring the health of users.
  • High durability : PP filter core is made from PP material with good resistance to force and heat, helping to increase the life of the filter core.
  • Does not affect the taste and smell of water : PP filter helps to keep the color and taste of water intact.
  • Easy to replace : PP fine filter core has simple design, easy to replace and maintain.

Mutosi PP filter cores are manufactured with high quality materials under strict supervision.

Mutosi PP filter cores are manufactured with high quality materials under strict supervision.

4. Where to buy quality PP filter cores?

PP filter cores on the market have different prices ranging from 50,000 - 200,000 VND depending on the type. Users should note to choose a reputable brand to ensure the machine's performance as well as the quality of water after filtration.

PP filter cores are manufactured directly in Vietnam by many units. In which, Mutosi - a reputable manufacturer and distributor in the household and environmental industry is one of the brands currently distributing high-quality PP filter cores including core number 1 - PP 5 micron and core number 3 - PP 1 micron

Mutosi PP filter core products are manufactured from high-quality PP material, supplemented with extremely safe Polypropylene plastic fibers, providing high filtration efficiency, quickly removing most impurities, bacteria,... of super small size. In addition, these filter cores also have high durability, good heat resistance and impact resistance.

Mutosi PP filter core production technology is produced according to the Japanese Hirayama quality management system to ensure filtering efficiency as well as user safety. Therefore, Mutosi PP filter core is currently trusted and chosen by many users.

Mutosi PP filter core has affordable price and many outstanding advantages

Mutosi PP filter core has affordable price and many outstanding advantages

5. Notes when buying and using PP filter cores

To ensure the durability of the machine as well as the quality of water after filtration, you need to pay attention to some issues when choosing and using PP filter cores:

  • Distinguishing between real and fake PP filter cores : PP filter cores on the market today are very diverse, you You need to check genuine product information through the packaging, scan the code and find out the brand information and product origin to choose quality filter cores from reputable units.
  • Replace PP filter core periodically : The filter core is a very important part and needs to be replaced after about 3 - 6 months depending on the quality of the input water and frequency of use to ensure the water filtration process goes smoothly.
  • Do not reuse PP filter cores : If you find that the filter core is clogged, you need to replace it immediately instead of trying to clean it. To replace the PP filter core, users just need to turn off the power, remove the filter core from the filter and install a new filter.
  • Choosing by water filter core size: Although used together for cleaning, PP 5 micron core (usually installed in the first filter position) and PP 1 micron core (usually installed in the third filter position) will still have separate functions in the water filtration process. Therefore, you need to choose the right type of PP filter core to ensure effective water filtration.

Above are the answers to the question: What is a PP filter core? In general, this is a very important part of the water purifier. Therefore, you should choose a quality product and replace it periodically to protect the life of the machine.

Customers who want to learn about PP filter cores or Mutosi water purifiers, please contact Hotline 0247.300.3188 or visit the Mutosi website directly for more detailed information.

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