Disposable masks, disposable surgical masks and the difference between 1002.
HTML release date: 2020 -
13 10:31:38 currently used masks in the hospital for medical surgical masks, looks very thin, wear up very comfortable, but he is also divided into three layers: from the outer to the inner membrane, filter layer, comfortable.
And accord with YY0469 -
2004 standard for medical surgical masks, technical requirements, the outside layer of blue is a waterproof layer, can prevent blood, saliva to infiltrate masks, the most comfortable white inside, have moisture absorption effect, don't wear the wrong.
Medical surgical masks are generally wearing type, i. e. masks at four angles have four scatter band, respectively, two two lines around the neck and head.
There is metal mask up, after wear, can according to face shape, nose to make it fit in the face.
Medical surgical masks for bacteria and virus resistance ability is stronger, in daily life, can be used to prevent the spread of infectious diseases such as influenza, respiratory system, also can avoid patients will infect others.
Medical surgical masks for diameter of 0.
3 um dust transmittance can reach 18.
3%, that is to say, the protective rate was 81%.
But for 5 um in diameter dust, protective rate can reach about 90%.
But filtering efficiency of no less than 95% of the bacteria.
Due to its waterproof properties is good, good for fluid saliva protective.
Disposable medical care mask, also called medical respirator, accord with GB19083 -
2003 standard for medical respirator technical requirements.
Mask surface is also divided into inner, middle and outer three layer, the inner for general health gauze or non-woven fabric, generally is white, middle for superfine melt-blown polypropylene fibre material layer, outer layer of non-woven fabric or ultrathin polypropylene melt-blown material layer, as a general rule, be light blue.
Also take care not to wear inside out.
The efficient medical respirator hydrophobic permeability is strong, with tiny virus aerosol or harmful dust filtering effect significantly, the overall filtering effect is good, the materials used non-toxic harmless, wear comfortable.
For tiny particles of dust filter efficiency of no less than 95%.
Also to have certain standards in size: rectangular masks unfolds the central part size: length of not less than 17 cm, width is not less than 17 cm;
Closed type arch mask size: diameter should not less than 14 cm, longitudinal diameter not less than 14 cm.
Medical respirator can't breather valve.
A common surgical masks, the protection grade is the lowest, in line with the relevant registration product standards (
Can only cut off the nose and mouth breath, spitting, can be used for ordinary medical environment of one-time health care, or ordinary ward health care activities, such as health clean, liquor, clean sheets, etc. , or particles of pathogenic microorganisms such as pollen or protection.
Filtration efficiency requirements for particles and bacteria to reach standard medical surgical masks and medical respirator, about 0.
3 microns in diameter of aerosol only up to 20.
0% protective effect, filtration efficiency of particles and bacteria can not reach the requirements of the current, cannot effectively stop the pathogen invasion through respiratory tract, cannot be used for clinical invasive operation, also cannot have protective effect on virus particles and bacteria, limited to dust particles or aerosols play a mechanical barrier really can reuse disposable masks?
To be honest, disposable masks do not reuse the right way.
When I was in the design of these things without considering reusable content.
Only we can repeat disinfection cotton masks that warm.
So the present mainstream statement referred to in the various use again. . .
Harvest SPF Textile Co., Ltd., the best suppliers of domestic markets, has good faith in manufacturing.
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