Does the dust produced in the manufacture of abrasive wheels contain silica?
3, mask materials are silicone, plastic and so on, silicone material is relatively soft and comfortable, low facial pressure.4, 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, because this work environment pollutant diversity, harm to people more, I suggest the choice of KN100 grade.
5, mask in accordance with the national standard size, this is particularly important. Many masks are not semicolon shaped, the effect will vary from person to person.6, mask covered with nose and cover the mouth, nose and jaw 2 kinds, of which second kinds of contact mask, big, close and good, low pressure.Do not ignore respiratory protection, the use of counterfeit, gauze, towels and other masks, prone to lung disease.
1, dust masks as special labor protection products, must pass the GB2626-2006 certification. Gas masks are certified by the GB2890-2009 standard.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.
Yes, we haveFree silica is the major cause of pneumoconiosis.If it is long-term work, it is recommended to use high-grade respirators to prevent lung disease.
