Are you curious about how tap water becomes clear and sweet? The first hurdle in this purification journey is usually guarded by a low-profile yet crucial “water guardian” – the melt-blown PP cotton filter. Let’s follow a drop of water and embark on its adventure.
First Stop: First Encounter with the “Fiber Maze”
Upon entering the water purifier from the water pipe, the water droplets first encounter a “three-dimensional maze” formed by countless randomly entangled polypropylene (PP) fibers. This maze is densely packed with pores and features twisting and turning paths.
The Second Stop: The End of Impurities
The “baggage” carried by water droplets – large particulate impurities such as rust, sediment, insect eggs, and colloids – undergoes a change in fate as it navigates through this maze:
- Screening effect: Impurities larger than the pores are directly blocked out.
- Adsorption: When passing through the twisted pores, fine particles are firmly adsorbed on the fiber surface.
- Deep filtration: Impurities do not just stay on the surface, but are captured layer by layer from the outside in, which makes the filter element have an extremely strong dirt-holding capacity.
Why Choose It? – Irreplaceable Pioneering Advantage
- Low cost: As a pre-treatment filter, it effectively protects the expensive RO or ultrafiltration membrane behind, offering an extremely high cost-performance ratio.
- Safe and harmless: Made of food-grade PP material, without any chemical adhesives, ensuring a safe and reliable filtration process.
- Easy replacement: Typically, it needs to be replaced every 3-6 months depending on water quality, and the operation is simple.
The melt-blown PP cotton filter, though not as renowned as the RO reverse osmosis membrane, serves as an indispensable “loyal guardian” in the entire water purification system. It silently undertakes the dirtiest and most tiring tasks, ensuring the stability and efficiency of subsequent processes. Behind every glass of good water, there is a contribution from it.
Tedafilters Principle of water purifier filter cartridge