Nonwovenairmask's Dear Diary

Li said that she thinks that the Spunbond nonwoven Factory effect should be a disposable mask, other should be all It's almost the same, but she personally prefers the cute mask because it looks more beautiful. The trace of black toner can be clearly

This standard is called Airlaid Paper Manufacturers protective equipment self-priming filter anti-particulate respirator', which is only suitable for filtering non-oily particulate matter, and can reach 90% or 95% of the filtration standard, but does

The experience of various countries tells us that the environmental concept is not generated solely by the universal power of the country, but is bred under the joint constraints of the national competent authority and public participation and public

Cover the mask with both hands and perform positive and negative pressure test. Have you learned to wear a mask?. It can be seen that the hospital is now overcrowded and there are more people. Wash your hands in time; do not reuse disposable masks. W

Second, heat-sealing non-woven fabric Thermally bonded non-woven fabric refers to adding fibrous or powdery hot-melt adhesive reinforcement materials to the fiber web, and the fiber web is then heated, melted, cooled and consolidated into a cloth. Ne

The KN95 mask is a Chinese replacement for the N95 mask, but the US Food and Drug Administration (FDA) refused to allow it to enter the United States. The article questioned the "political reasons" behind the FDA's decision. "Without FDA approva