In 2020, a global outbreak of the pandemic resulted in a shortage of protective equipment such as masks, primarily due to the scarcity of one of the main raw materials, melt-blown fabric. As a consequence of the melt-blown fabric shortage, some individuals began attempting to produce their own, leading to varying qualities of melt-blown fabric products in the market. Against the backdrop of intens...
Melt-blown non-woven fabrics are widely used in the field of filter materials, and can be described as the “heart” of the mask structure. The average fiber diameter of polypropylene melt-blown fabrics is 2 to 5 μm, and the droplets with a particle size of more than 5 μm in the air can be blocked. But can only block less than 70% of the particles. Even if the barrier rate is increas...
Mr. Wang was the earliest batch of melt-blown fabric bosses in Yangzhong. Due to the strict management of the government and the strict requirements on the quality of melt-blown fabrics by mask manufacturers, Mr. Wang is talking to engineer Liu, an expert on melt-blown fabrics who Secretary Zhang has invited today, to talk about how to transform his several production lines. Secretary Zhang: B...
Recently, a news broke the circle of friends: the United States released a test report on Chinese masks, and over 80% of Chinese companies were suddenly “deprived” of export authorization! Late at night on May 7th, Beijing time, the US Centers for Disease Control and Prevention (CDC) suddenly issued a test report for Chinese masks through its official website, and 105 Chinese masks wer...
As the US FDA/CDC canceled nearly 80% of the mask whitelist companies in China, it encountered the Canadian government requiring dozens of Chinese mask factories to recall unqualified products on their own. Since May, many people in the mask chain industry have discussed that this industry has entered the bottom. We believe that as long as the new crown special drugs or vaccines do not appear, glo...
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