Is it possible to have respiratory protection at the highest permissible concentration?
For the sake of the health of the body, it is suggested that the dust mask be selected as an effective way to prevent the occurrence of pneumoconiosis.1 dust masks must be subject to GB2626-2006 certification.2, occupational protection, choose double silicone half mask.3, the priority selection of KN100 grade products.4, according to head type, choose different types of mask suitable for their face type.5. Choose products with low respiratory resistance.At present, the domestic KN100 class mask can be common, "Bao Shun," "3M8233" and "Sheng Bao.".
In recent years, due to the phenomenon of pneumoconiosis in China, and practitioners have begun to attach great importance to respiratory protection work. Including the rise of 80. We gradually change the past only cheap, do not consider the protective effect of the wrong choice way. Gradually turn to high grade protection, silicone masks, more and more conditionally choose breathing smooth products.
Most of the requirements are below 1.5 mg / m3 for respirable dust concentrations.In general, mechanical grinding, grinding and other work environment will exceed this limit.