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flatMask appearance inspection equipment Mask visual inspection equipmentfactoryMask appearance inspection equipment

On the contrary, it is more dangerous.

It is also safe to go out without a mask.

。

Many companies design and produce by themselves, and generally cannot guarantee the filtering ability of pathogenic microorganisms and dust. They are generally used for routine care in hospitals. The main function is to prevent daily cross-contamination of medical staff and patients. There is no particularly high requirement. If it is commonly used by the masses, it is used to block bad breath and pretend to be, but the actual protection effect is not ideal.

Medical surgical mask

Implement the YY0469-2011 standard.

The mark on the package is "Surgery". Divided into three layers, the outer layer is water-resistant (to prevent blood and body fluids from splashing), the middle layer is filtered, and the inner layer is hygroscopic (the inner layer is white and faces itself when worn)

If the company's own corporate standards meet or even exceed the requirements of YY0469, it can also be printed on the outer packaging of the mask (therefore, YY0469 is not required to be qualified, and the specific content depends on the mask name and corporate standard content)

N95 mask

N95 mask: American standard NIOSH oil-free particulate filtration efficiency ≥95%

kn95 mask: GB2626-2006/GB2626-2019 Chinese standard.

ffp2 mask: EU EN149-2001 standard.

KF94 mask: Korean standard.

DS2 mask: National Ministry of Health and Welfare.

At present, domestic masks are completely out of stock. If you can buy FFP2/KF94/DS2 and other masks from foreign channels, it is also possible.

Medical protective mask (N95)

Implement GB19083-2010 standard.

A mask used by doctors. For example, type 3M, 1860 and 9132 are the most commonly used models in medical protective masks. To donate masks to medical staff, it must meet the requirements of the standard.

These two models are special models for medical personnel, and their protection requirements are much higher than the standard of masks used by ordinary people to prevent infection. All masks marked with N95 meet the unified standard: it can block 95% of non-oily particles with a diameter of 0.3 microns or more. Whether it is dust-proof or fog-proof, as long as it is N95, it is helpful to ordinary people. In addition, KN95 masks and surgical masks also he a protective effect similar to N95 masks.