1、 Dust suppression efficiency
The dust resistance efficiency of disposable respirator is based on the dust resistance efficiency of the respirator to the fine dust, especially to the respirable dust below 2.5 microns. Because this particle size of dust can enter the alveoli directly, it has a great impact on human health. The dust mask is composed of filter material, activated carbon fiber felt pad or non-woven fabric, and the respirable dust less than 2.5 microns passes through the filter material.

2、 Tightness
A side leakage proof design of a protective mask is a technical requirement to prevent air from being inhaled through the gap between the mask and the human face without filtering. Air is like water, where the resistance is small, it flows first. When the shape of the mask is not close to the face, dangerous substances in the air will leak from the non close position and enter the human respiratory tract. Well, even if you choose a mask with a better filter material. It can't protect your health. Many foreign regulations and standards stipulate that workers should regularly test the tightness of masks. The purpose is to ensure that workers choose appropriate masks and wear masks according to the correct steps.
3、 Comfortable to wear
In this way, workers will be willing to wear it in the workplace and improve their work efficiency. The current maintenance free masks abroad do not need to be cleaned or replaced. They are discarded when the dust resistance is saturated or the mask is damaged. In this way, the health of the mask is ensured, and the time and energy for workers to maintain the mask are saved. Moreover, many masks adopt arch shape, which can not only ensure a good fit with the face shape, but also keep a certain space in the nose and mouth, so they are comfortable to wear.