Ordinary gauze masks are dustproof, gauze masks can only block part of the dust with larger diameters, and cannot prevent dust with small diameter particles. Even if you wear a few more layers, it will not enhance the protection of gauze masks. effect. General gauze masks cannot have any dust-proof ... read more
Welding is a special type of work. It is very important to understand the respiratory hazards that cause occupational diseases and to choose a safe and effective dust mask. There are many kinds of harmful substances produced by welding operations. Metal elements, welding powders, and high-temperatur... read more
Medical protective masks are used in special areas such as isolation wards, isolation intensive care, and fever clinics. They are worn and used by medical staff. It is generally recommended that medical protective masks be replaced every 4 hours during use. If they are contaminated, such as splashin... read more
The filter materials of each layer of dust masks are generally composed of non-woven fabrics, which rely on fiber filtration to achieve the filtering function. Dust masks usually have five principles of fiber filtration dust: electrostatic adsorption, gravitational deposition, inertial deposition, d... read more
3M masks have many uses. For example, 3M1860 masks can not only effectively prevent the harm of dust and tiny particles in the air to the human respiratory tract, but also prevent the infection of germs. There are also many types of 3M masks, such as flat masks, foldable dust masks, cup-shaped dust ... read more
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