Knowledge

The structure of disposable anti-virus masks should be divided into two parts, one is the main body of the mask, which is a mask frame; the other is the filter material part, including filter cotton f

According to all the respirators on the market, although there are many brands of respirators, the overall shape is also very different, but in general, we can divide respirators into the following di

At that time, in order to cooperate with the atomic bomb test, the General Staff of the People's Liberation Army assigned the task of developing gas masks to the Beijing Institute of Chemical Defense

Adopting an open structure, the exhaled air is directly discharged into the atmosphere, and because of the large air supply flow, the wearer feels more comfortable to breathe.

The respirator is a self-contained open air respirator, which is widely used in firefighting, chemical industry, shipbuilding, petroleum, smelting, warehouses, laboratories, mining and other departmen

There is a qualitative strip on the bridge of the nose at the upper end of the mask. When wearing the mask, pinch the aluminum strip to the bridge of the nose.

Pull the mask up and down to unfold the fold. The slightly black side is facing outwards, and the light white (rubber webbing) side is facing inwards. The side with the nose clip (metal strip nose cli

No fabric. Compared with textile fabrics, it has high productivity and high production speed. Low price, mass production, etc. Fixed size, not easy to deform.

Product introduction Size: 175mmx95mm, 50 pcs/box, 2000 pcs/box, with anti-virus, anti-odor, bacteria filtering, dust resistance and other functions.

The disposable activated carbon mask is made of 28 grams of non-woven fabric on the surface, and the first layer in the middle is used with anti-bacterial filter paper to filter and prevent bacteria u

The filter system provides Class D quality air for respirator users. The first stage filters out water and particles, the second stage condensation filter eliminates oil mist and ultra-fine particles,

The working time of air respirator is generally 30-360min, and the maximum limit of protection time is different depending on the type of respirator. In general, the protection time of air respirators