Silica feed station, simulation site dust larger, no dust removal equipment. Need protective equipment.
5, the national standard, the filter components KN90, KN95 and KN100, the first two kinds of daily use can still, high dust environment or need a higher level KN100, can effectively filter dust.
3, replaceable half-mask now commonly used silicone material and rubber material, rubber material is relatively hard, wear uncomfortable, easy to wear soft for a long time, it is recommended to choose silicone material.
4, mask semicolon type, trumpet medium and large three, according to height and weight to choose, so regardless of the model of the mask do not choose
The main danger of dust on people is to enter the lungs caused by pneumoconiosis, so your environment needs dust masks.
You can choose one of the following dustproof masks for your environment.
1, dust masks are special labor protection products, because the need for mandatory certification through LA, but also to meet national standards.
2, according to the structure of the national standard will be divided into three kinds of masks: disposable, replaceable half-mask and full face mask. Can not be used with the face fit close to your environment, or there will be dust leakage. Your environment can be replaced with half-mask can be, can fit fit.
