Ordinary gauze mask: civilian, belongs to the textile class.The ordinary gauze mask is the fiber mask, its blocking flow principle is a mechanical blocking effect, through this layer by layer of mechanical blocking, can block the large particles, but the diameter of less than 5 micron particles can not block;
Surgical mask: surgical mask is made of one or more layers of nonwovens. The main production processes include melting spray, spunbond, hot air or acupuncture, etc. It has the effect of resisting liquid, filtering particles and bacteria, etc. It is a kind of textile for medical protection.
Daily protective mask, mainly used to prevent haze.
Dust respirator, fume respirator (scientific name: self-absorption filter respirator against particulate matter) is generally used for occupational protection.It is better used to prevent haze.
(1) dust respirator, mainly to prevent dust, smoke, fog, microorganisms, etc.KN100, KN95 and KN90.KN100 grade can effectively prevent the ultra-fine dust rate above 99.97%.
(2) anti-lampblack mask, mainly anti-lampblack, oil mist, at the same time can prevent dust, smoke, fog, microorganisms, etc.There are KP100, KP95 and KP90 levels.Among them, KP100 grade can effectively prevent the ultra-fine dust rate above 99.97%.
(3) according to the mask style can be divided into three types of disposable, compound half mask, full cover mask.
