In the end, the three North Shelterbelt is to help or hinder the haze?
If it is dustproof or anti haze, then, or KN100 class mask, protective effect is good. The mask recommends advanced silicone material. Filter cotton is recommended to choose two pieces of design, filter cotton double-sided or pleated, large area, relatively smooth breathing.
At present, due to the mechanization level, the working environment is relatively high concentration of dust, the wrong choice of masks, too much emphasis on the price, ignoring the effect of protection, quality, comfort and the service life of the mask, are easily lead to low grade and counterfeit case products, caused by occupation injury. It is suggested that GB2626-2006 standard should be applied to prevent dust injury.
