Disposable Civilian Protective Mask

Product Details

How to use

1. Wash your hands before wearing a mask.

2. Hold the ear strap with both hands, and put the dark side on the outside (blue) and the light side on the inside (white suede).

3. Put the side of the mask with a wire on the nose, squeeze the wire according to your nose shape and then pull the mask body completely down, so that the mask completely covers the nose and nose.

Use condition：

There are various types of disposable dust masks, which must be selected according to different operating needs and working conditions.

First of all, it should be selected according to the dust concentration and toxicity. According to GB / T18664 "Respiratory protective equipment selection, use and maintenance", as a half mask, all dust masks are suitable for environments where the concentration of harmful substances does not exceed 10 times the occupational exposure limit, otherwise a full mask or protection level should be used Higher respirators.

If the particulate matter is highly toxic, carcinogenic and radioactive, the filter material with the highest filtration efficiency should be selected.

If the particulate matter is oily, be sure to select a suitable filter material.

If the particulate matter is needle-shaped fiber, such as slag wool, asbestos, glass fiber, etc., because the dust mask can not be washed, the mask with the tiny fiber stuck on the face sealing part is likely to cause facial irritation and is not suitable for use.

For high-temperature and high-humidity environments, it is more comfortable to choose a mask with an exhalation valve. A mask that can remove ozone can be used for welding to provide additional protection. However, if the ozone concentration is higher than 10 times the occupational health standard, the mask can be replaced. Poison combination filter element. For environments where there is no particulate matter, but only certain odors, it is much lighter to choose a dust mask with an activated carbon layer than a gas mask, such as some laboratory environments, but due to national standards, technical performance specifications for such masks are not .

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