The quality of PP cotton filter element directly affects its working efficiency and life life. Resolution of high-quality PP cotton filter element mainly from the following aspects:
1. material
PP cotton material used in PP cotton filter is polypropylene porous film, mainly depends on the specifications of PP material itself, such as weight, thickness, density, elongation, etc., can reflect the quality of PP cotton.
2. Filter accuracy
The filter hole size requirement of high quality PP cotton filter element is strict, and the target filter hole size is relatively consistent with the actual measurement results. Ensure the filtering accuracy.
3. Bubble point
PP cotton material bubble point is about 130 degrees Celsius. High-quality PP cotton filter element should be controlled below 120 C.
4. abrasion test
PP cotton filter element through the wear resistance test, the more wear resistance times indicates that the material toughness is good, the higher the quality.
5. Pressure resistance
The pressure resistance index above 0.1MPa indicates that PP cotton has good tight structure and high quality.
6. pressure drop performance
The working pressure drop rate is one of the most important performance indicators. The pressure reduction rate of the high-quality PP cotton filter element is between 8-15 kPa / m2.
7. Packaging and storage
High quality PP cotton filter element should be used or special packaging design, to avoid physical damage. The storage environment should be strictly controlled.
8. Service life
Through the practical application test, the high-quality PP cotton filter element can run stably for a long time, and its service life exceeds the designed service life.
In short, the quality of PP cotton filter element is mainly from the material index, filtration accuracy, wear resistance, compressive strength, pressure drop, service life and other aspects. In addition to the product itself, the relevant packaging and storage environment is also critical.
To judge the quality of the product performance, PP cotton filter element by combining a variety of indicators combined with the actual application effect.
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