Which brand of dust masks is best for protection?
Select low respiratory resistance. National standard, inspiratory resistance of less than 350 PA, and some only about 120 PA, breathing smoothly. Respirators with high breathing resistance can cause damage to the lung diaphragm.Do not ignore respiratory protection, the use of counterfeit, gauze, towels and other masks, prone to lung disease. At present, some of the common N100 class dust masks, in ensuring the effectiveness of protection at the same time, breathing smoothly, about one yuan a day, whether it is business or personal expenses, can afford. In general, there are Bao Shun, 3M8233, Sheng Bao and so on.
Masks cover the nose and mouth and cover the mouth, nose and jaw 2 kinds, of which second kinds of contact mask, big, close and good, low pressure
For dust and oily particles, masks are divided into anti oil (soot, oil mist, dust, smoke, fog, micro-organisms, expressed in KP), dust (dust, smoke, fog, micro-organisms). For dust prevention, the protection level has KN100, KN95 and KN90 three grades, the work environment pollution is various, and the harm to human is bigger, it is recommended to choose KN100 grade.
If you choose a dust mask, it is recommended to choose a mask as follows:1, dust masks as special labor protection products, must pass the GB2626-2006 certification.2, the mask is divided into disposable, removable cotton filter, half mask, comprehensive cover. For long term occupational protection use, a removable cotton half mask is recommended.3, mask materials are silicone, plastic and so on, silicone material is relatively soft and comfortable, low facial pressure.
