How do PFE99 Melt-blown wipes reach 99
- Categories:Melt-blown fabric News
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- Time of issue:2021-12-02
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(Summary description)The electret PFE99 Melt-blown wipes reached the 95+ level at first, but the filter effect fell after a few days of exposure, mainly because the electrostatic field was extremely unstable and the charge attenuation caused the filter effect to attenuate.
How do PFE99 Melt-blown wipes reach 99
(Summary description)The electret PFE99 Melt-blown wipes reached the 95+ level at first, but the filter effect fell after a few days of exposure, mainly because the electrostatic field was extremely unstable and the charge attenuation caused the filter effect to attenuate.
- Categories:Melt-blown fabric News
- Author:
- Origin:
- Time of issue:2021-12-02
- Views:
Information
To achieve higher filtration efficiency with PFE99 Melt-blown wipes, the following three points must be done
1. Use permanent electret masterbatch
Electret means charging. The electret PFE99 Melt-blown wipes reached the 95+ level at first, but the filter effect fell after a few days of exposure, mainly because the electrostatic field was extremely unstable and the charge attenuation caused the filter effect to attenuate.
The electret masterbatch produced by the gas-silicon method has high efficiency and good durability. It basically belongs to permanent electricity storage, is easy to disperse, is non-toxic and tasteless, and can pass FDA certification, which is more advantageous in general. This is because the electrostatic effect of these electret materials due to the electret greatly improves the electrostatic adsorption capacity of the material, and the particles will be strongly adsorbed when they pass near the electret fiber.
2. PFE99 Melt-blown wipes should be packaged in time to avoid moisture resurgence
Environmental humidity has an impact on the generation and loss of static electricity. The moisture in the air and the charge of the melt-blown cloth will be converted into negative ions, and the loss of charge will affect the filtration efficiency.
The temperature and humidity in the workshop should be monitored at all times, and corresponding equipment should be added to keep the temperature and humidity in the workshop within a certain range.
After the melt blown cloth is produced, it should be packaged in time, preferably in a vacuum package, and stored in a dry place, and not in contact with the humid air outside. Avoid regaining moisture and staining.
In addition, please pay special attention to the fact that melt blown cloth produced by different machines should not be put together, as they will affect each other and the electric charge will be neutralized.
3. Electret equipment should use positive charge
Dust, bacteria, and viruses in the air cling to the particles and are mainly negatively charged. PFE99 Melt-blown wipes are positively charged and easily adsorb these negatively charged particles.
Electret equipment should use positive charge, not negative charge. Because the cloth has a positive charge, it can absorb the negative charge in the air. If the meltblown cloth is in contact with the skin, the negative charge is more likely to be consumed, and if it has a positive charge, it will wear off more slowly.
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