📊 Parameter PP melt blown filter (PPF)
The following table summarizes the main technical parameters of PP melt blown filter cartridges:
| Parameter Category |
Specific Parameters |
| Length |
5 ", 60" |
| Outer diameter |
60-115 mm (62-65 mm) |
| Inner diameter |
28 mm or 30 mm (department can customize 15-35 mm) |
| Performance Parameters |
| Filtering accuracy |
0.5-100 μ m (1,50 μ m) |
| Maximum withstand voltage |
≤ 0.5 MPa |
| Maximum pressure drop |
0.2-0.4 MPa (it is recommended to replace the pressure difference of 0.1-0.2 MPa) |
| Maximum working temperature |
≤ 60-70 ℃ (short-term up to 90 ℃) |
| Applicable pH range |
1-13 |
| Filtering compliance |
≥ 98% -99% |
🔬 Product structure and process characteristics
Structural Design The basic structure of PP melt blown filter element is a tubular design, which creates a gradual density gradient from the outside to the inside; High quality products are usually created using the "three spray process" to form multi-layered structures such as fluffy layers, tight layers, and compacted layers!
tandard and Skeleton Type: Some PP melt blown filter cartridges have a built-in polypropylene skeleton, which is particularly suitable for longer specifications (such as 30 ", 40") or operation scenarios that require higher compressive strength, and can effectively prevent filter cartridge deformation. - Big Fat Filter : With an increased outer diameter design, it provides a larger filtration area and dirt holding capacity, suitable for filtering environments with high impurity content.
Process characteristics During the production process, by controlling the fiber diameter and gap, a micro porous structure with a small inner layer and a large outer layer is formed, increasing the flow rate and pollutant holding capacity; High quality filter cartridges should not have loose fibers ("no loss of hair"), ensuring the purity of the filter medium.
💡 Product advantages and features
- Good filtration performance: The PP melt blown filter cartridge has a deep filtration structure with uniform pore size, sparse outside and dense inside, and can achieve filtration compliance of over 98% -99%! Its progressive density structure achieves the characteristics of high pollutant carrying capacity, high flow rate, and low pressure drop;
- Outstanding chemical stability: The product is acid resistant, organic solution resistant, has good chemical stability, suitable pH range of 1-13, and can handle fluids with various chemical properties!
- The physical performance is indeed strong, and the filter element will not deform when the water pressure difference between the inlet and outlet of the filter is ahead of 0.4Mpa; When the temperature is ahead of 90 ℃, the filtration efficiency will not decrease.
- Safety and hygiene: Made of non-toxic and odorless polypropylene raw materials, without any chemical adhesives, suitable for the hygiene and safety requirements of the food and pharmaceutical industries. The product itself has high cleanliness and no pollution to water quality.
- Economical and Practical: Compared with other filtering materials, PP melt blown filter cartridges are relatively cost-effective, but have reliable performance, long service life, and high cost-effectiveness!
🔧 Maintenance and Replacement Guide
Accurate maintenance can significantly extend the service life of PP melt blown filter cartridges and ensure filtration efficiency:
- Replacement cycle assessment: Typically, manufacturers recommend a replacement cycle of 3-6 months, but the actual cycle needs to be adjusted based on water usage, water quality, and water pressure. The most scientific judgment method is based on the inlet and outlet pressure difference. When the pressure difference is greater than 0.1-0.2 MPa, the filter element should be cleaned or replaced;
-Cleaning ability: Can test reverse flushing and clean the outer wall of the filter element with clean water under a pressure of less than 0.2MPa. However, it should be noted that frequent cleaning has limited effectiveness. PP melt blown filter cartridges are mainly designed for particle filtration, and their performance deteriorates significantly after dirt absorption. Therefore, direct replacement is usually recommended instead of cleaning.
- Shutdown adjustment: When the filter element is not running, it can be stored in the filter housing and filled with clean water or antibacterial water. When reusing, it needs to be thoroughly cleaned.
- Filter element identification: the used filter element replaced after use, the product with good quality receives a large amount of pollution, and from the cross section, each layer will be full of impurities. Poor quality filters are mainly dirty on the contours and are lighter in weight.
🏭 Application of PP melt blown filter (PPF)
PP melt blown filter cartridges are widely used in many fields due to their excellent properties
- Drinking water and food industry: filtration of purified water, alcoholic beverages, sterile water for pharmaceuticals, and pre filtration treatment of purified water. - Electronics industry : Pre filtration of pure water and ultrapure water, filtration of electroplating solutions!
- Petrochemical industry: filtration of various organic solvents, alkaline solutions, and oilfield water injection filtration.
- Pharmaceutical Creation: Pre filtration of various injections, medicinal liquids, and injection bottle wash water, pre filtration of large infusion solutions, as well as various antibiotics and traditional Chinese medicine injections; - Water treatment system : Used as a security filter precursor for reverse osmosis (RO), nanofiltration (NF) and other systems, effectively protecting the main membrane system.
❓ FAQ (Frequently Asked Questions)
1. How to distinguish the advantages and disadvantages of PP melt blown filter cartridges? The high-quality filter adopts a progressive density design, with a soft exterior and a tight interior; The cross-sectional consideration should be uneven inside and outside. The fiber filaments are uniform and without any shedding phenomenon. Weight is also a reference target, and heavier ones usually have stronger pollutant carrying capacity.
2. How to choose 1 micron and 5 micron filter cartridges? For areas with low water pressure or water pollution (such as groundwater and well water), it is recommended to use 5-micron filter cartridges to prevent pressure attenuation caused by insufficient pressure or confusion! A 1-micron filter can be used in municipal tap water environments with stable water pressure.
3. What should I do if the length of the filter element is not compatible? There is no unified standard for 10 inch filter bottles in China, and there may be slight and fine errors! If the length of the filter element is reduced (such as only 252mm), adding gaskets can be adopted to address compatibility issues;
4. What scenarios is the skeleton filter suitable for? The skeleton polypropylene filter element is mainly used to enhance compressive strength, prevent deformation of longer filters (such as industrial 40 inch long filters), and is particularly suitable for industrial filtration with high flow or pressure fluctuations!
5. Can it be used for high-temperature liquid filtration? The conventional maximum working temperature of PP melt blown filter element is 60-70 ℃, and it can reach 90 ℃ in a short time! If higher temperature tolerance is required, it is necessary to consider filter products made of other materials or specially controlled PP filters!
