The raw materials and technical specifications of PP melt-blown filter cartridges are as follows:
I. Raw Materials
PP melt-blown filter cartridges primarily utilize non-toxic and odorless polypropylene (PP) particles as their raw material. Polypropylene is a thermoplastic polymer known for its excellent heat resistance, chemical resistance, and mechanical properties, making it one of the most widely used materials for the melt-blown process. Theoretically, any thermoplastic polymer (melting at high temperatures and solidifying at low temperatures) can be used in the production of melt-blown filter cartridges, such as polyester, polyamide, polyethylene, polytetrafluoroethylene, polystyrene, PBT, EMA, EVA, etc. However, polypropylene dominates the field of melt-blown filter cartridges due to its unique properties.
II. Technical Specifications
The technical specifications of PP melt-blown filter cartridges vary according to product models, specifications, and manufacturers, but generally include the following aspects:
Model and Size: Common models include PP-10, PP-20, PP-30, PP-40, etc., with varying lengths such as 10 inches, 20 inches, 30 inches, and 40 inches.
Filtration Accuracy: The filtration accuracy of PP melt-blown filter cartridges typically ranges from 1 micron to 100 microns, depending on the manufacturing process and design requirements. High-precision filters can more effectively remove tiny particles and impurities from water.
Working Pressure and Differential Pressure:
Working Pressure: The maximum working pressure of the filter cartridges generally falls between 0.1 MPa and 1.6 MPa, with the specific value depending on the material, structure, and application environment.
Differential Pressure: The forward pressure differential tolerance is typically 0.4 MPa, while the reverse may be lower, such as 0.1 MPa. Differential pressure is a crucial indicator of filter performance, as excessive differential pressure can affect filtration efficiency and filter life.
Operating Temperature: PP melt-blown filter cartridges have a wide operating temperature range, generally between -10°C and 100°C. Some filters can withstand higher temperatures under specific conditions (e.g., low differential pressure). However, prolonged use at high temperatures may affect filter performance and lifespan.
Connection Types: Filter cartridges come in various connection types, commonly including flat-face press-in and threaded connections. Users can select the appropriate connection type based on their actual needs.
Other Parameters: These include the filter's inner and outer diameters, length, weight, filtration area, etc., which significantly impact filter selection and usage.
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