Respirator is a kind of sanitary product, generally refers to a device worn on the nose and mouth to filter the air entering the nose and mouth, so as to block harmful gases, odors, and droplets from entering and leaving the wearer's mouth and nose. An important indicator of protective performance in a mask is the filtration efficiency of particles and bacteria. Now, let ’s take a look at how fi
Regarding masks, the demand during the recent epidemic has risen sharply, and the phenomenon of "a mask is hard to find" has appeared. However, some people who have not used masks often do not understand the role of nose clips in masks and the correct way to wear them. So is there a requirement for nose clips in all current mask standards? What are the specific requirements for nose clips in masks
Because of the spread of the new coronavirus, masks have become one of the daily necessities. In addition to strict standards for non-woven materials and technologies, masks that meet the protection requirements are also important for the quality of the nose bridge. The role of the strip in the use of masks is mainly to fit the shape of different people's faces, so how to choose the appropriate no
How to distinguish between surgical masks and ordinary medical masks? How does Bai distinguish its pros and cons? 1. How to distinguish surgical masks from ordinary medical masks? Medical protective masks in masks are relatively easy to distinguish because they are mostly bowl-shaped and folded. The degree of surgical masks is similar to the shape of ordinary medical masks, which are made of non
All Plastic Nose Bridge-Nose Bridge Nose bar manufacturer introduction: YY0469-2004 "Medical Mask Technical Standards" was promulgated by the National Drug and Food Supervision and Administration Department. All plastic nose bars are national standards and were implemented on January 1, 2005. The standard specifies the technical standards, experimental methods, labeling and instructions for use
The bridge of the nose is a thin plastic strip inside the mask, which plays the role of fixing the mask on the bridge of the nose. The Chinese name of the nose bridge is a thin plastic strip inside the quality mask. It is used to fix the nose bridge. The general specifications are 3.00mm * 0.80mm, etc. table of Contents 1 Basic introduction
Summary of common failures of mask machine equipment during commissioning What should I do if there is a problem during the commissioning of the mask machine? Help everyone solve this problem today. The faults that will appear during the debugging process or the use of the mask machine equipment are listed, and the reasons are analyzed, and the solutions are given, hoping to help everyone. Su
Recognize masks, wear masks scientifically The spread of the new coronavirus worldwide. As of March 10, the latest WHO global epidemic report showed that there were 109 cases of new coronavirus infection in 109 countries and regions around the world. On March 11, the World Health Organization officially announced at a press conference that the new coronavirus pneumonia is listed as a global
