Industrial dust masks are an essential weapon for heavy industrial laborers. Good industrial dust masks are the lifeline and safety guarantee for workers. The best dust collectors are industrial dust masks. However, how to choose industrial dust masks and how to clean them?
There are various kinds of industrial dust masks. The choices must be based on different operation requirements and working conditions. Firstly, according to the dust concentration and toxicity, all industrial dust masks are suitable for occupational exposure limits where the concentration of harmful substances does not exceed 10 times. The environment, otherwise you should use a full face mask or a higher degree of respirator. If the particulate matter is highly toxic, carcinogenic, and radioactive, the filter material with the highest filtration efficiency should be selected. If the particles are oily, be sure to select the appropriate filter material. If the particulate matter is acicular fibers, such as slag wool, asbestos, fiberglass, etc., since industrial dust masks cannot be washed, the masks with microfibers are likely to cause facial irritation on the face seals and are not suitable for use.
Whether the industrial dust mask is really protective, in addition to the choice of protective function, another important factor is suitability. There is no one-size-fits-all design that fits everyone's face. The certification test of industrial dust masks does not guarantee that the mask is suitable for each specific user. If there is a leak, the airborne pollutants will enter the breathing zone from the leak. Among them, Kimberly-Clark developed two masks, Kimberly KN90 mask and Kimberly KN95 mask, which can effectively filter the particle dust of one-twentieth of PM2.5. It is specially designed for Asian face type, and the face fit is made with respect to other brands. Be better. The method of selecting a suitable mask is to use a suitability test which utilizes the taste of the person and produces a bitter or sweet granule with a special tool. If the mask is still able to feel the taste after wearing the mask, the mask has a leak.
Industrial dust masks should be cleaned and disinfected daily. Both gauze masks and air filter masks can be sterilized by heating. The specific approach is:
1. Cleaning. Gently lick the gauze mask with warm water and soap. The bowl-shaped mask can be gently brushed with a soft brush and then washed with water. Please note that you should never use force, because if the latitude and longitude gap of the gauze is too large, the effect of anti-stopping droplets will be lost.
2. Disinfection. Place the cleaned mask in a 2% peracetic acid solution for 30 minutes or boil in boiling water for 20 minutes or in a steamer for 15 minutes, then allow to dry. This method is suitable for gauze masks and bowl masks.
3. Check. Before using it again, you should carefully check whether the mask and mask are still intact. For gauze masks and masks, you can take a light-transparent inspection method, that is, take the light before the light to see if there is any obvious light spot, and the middle part and the edge part are transparent. Is the rate consistent? If there is any doubt, it is necessary to replace it with a new one. In any case, masks and masks are generally updated after 3 to 7 cleanings, and industrial dust masks of exceptional quality can be cleaned 10 times. Activated carbon adsorption masks should pay attention to the regular replacement of the activated carbon interlayer. If the activated carbon interlayer is not replaceable, it should be replaced after 7 to 14 days. This mask can not be used after cleaning.
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