gb2626-2006kn95 is not a medical mask. Chinese standard GB2626-2006 refers to the general (or industrial) KN95 mask standard.? Medical KN95 mask standard is GB19083-2010.
GB2626-2006 standard KN95 and medical protection level 2 mask is a particle filtration standards, filtration standards are 0.3μm particles through the percentage of the test as a test standard, which GB2626-2006 standard in the test of the KN95 The KN95 in the GB2626-2006 standard has a 95% success rate in blocking particles with a diameter of 0.075μm, so in the mask guidelines issued by the National Health Commission, masks implementing the GB2626 standard are recommended to be used on high-risk personnel.
kn95 mask precautions
Need to pay attention to the need to make the protective mask as much as possible to have an excellent close fit with the face. The easy way to experiment is to wear the protective mask and then breathe hard, the gas can not be exposed from the edge of the protective mask.
The dust mask must be close to the face of the user, the user must shave the beard to ensure that the protective mask can be close to the face, the beard and its pad in the protective mask gasket and the face of the middle of everything is to make the protective mask leakage. According to their own face shape to adjust the protective mask parts, the use of both hands of the ring finger along the upper edge of the protective mask gently press the nose clip, so that it is close to the face.
The above content refers to? Baidu Encyclopedia-Medical Mask