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  • Do you know the standard for testing meltblown cloth?
    Do you know the standard for testing meltblown cloth? 2021-07-27
    One of the important quality standards for meltblown cloth, filtration efficiency is a key indicator for the quality evaluation of masks. Therefore, referring to relevant standards, we recommend that the filtration efficiency of non-woven masks should not be less than 95%, and the filtration efficie...
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  • ​Why is the meltblown cloth brittle?
    ​Why is the meltblown cloth brittle? 2021-07-20
    First of all, melt blown materials must be purchased through formal channels. The raw materials of meltblown cloth are generally selected special polypropylene materials with a melt index of 1500, and they have passed Rohs 2.0 non-metallic, reach-205 items, halogen, melt finger, ash, volatile matter...
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  • Is the greater the resistance of the meltblown cloth, the better the effect?
    Is the greater the resistance of the meltblown cloth, the better the effect? 2021-07-13
    The greater the resistance of the melt blown cloth, the better? Don't be fooled. The filtration performance of meltblown cloth is not achieved by resistance. The greater the resistance of the meltblown cloth, the better the filtering effect is without any basis. On the contrary, the resistance of ma...
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  • Which is better, KN95 mask or medical surgical mask?
    Which is better, KN95 mask or medical surgical mask? 2021-07-06
    This depends on whether KN95 is a medical mask. KN95 masks are medical grade, industrial grade, etc. Ordinary masks are also divided into medical grade and non-medical grade. In terms of protective effects: medical grade KN95> industrial grade KN95> medical grade ordinary masks> non-medical...
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  • What are the effects of mask meltblown cloth?
    What are the effects of mask meltblown cloth? 2021-06-29
    Many people should be aware that there are many products on the market that are essentially disposable products. For this reason, many people are not so accurate about some products. Then, what kind of dust masks are available on the market? Many people don't know the material well. After the ultraf...
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  • Is the filtration efficiency of water-resident meltblown cloth really high?
    Is the filtration efficiency of water-resident meltblown cloth really high? 2021-06-22
    Water stabling is an electret process that makes the meltblown cloth electrostatically charged during the production of the meltblown cloth. The process can be that the meltblown cloth is saturated with static electricity and the electrostatic electret time is long. The reason why melt blown cl...
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