Knowledge

What is the protective function of gas masks? It is not the mask itself that can only isolate the internal and external environment. What really determines the overall role of the gas mask is the filt

When you see the eye, you may think of the eye. But the eye also means unit, which means the number of holes on the screen per square inch. 20 means that the number of holes on the screen per square i

The physical adsorption of activated carbon is a reversible process. However, this reversible process is a microscopic phenomenon, that is, at all times, activated carbon is both adsorbing and desorbi

a. No desorption, no secondary pollution: after special process treatment, except for a little black water during initial use, there will be no black water after use, and no secondary pollution due to

For the time being, we can still guard against visible pollution, but invisible pollution like air pollution is really impossible to guard against. Especially for people who are particularly sensitive

Heavy chemical protective clothing is a protective equipment made of high molecular textile materials and rubber materials through multiple processes. It is used together with positive pressure air re

Self priming filter gas mask: it is a kind of gas purifying protective equipment that uses the wearer's breath to overcome the resistance of components and defend against toxic and harmful gas or

1. the effective time of the canister shall be strictly observed. 2. the simple method to judge the failure of the canister is as follows: (1) Smell the poison after wearing the mask. (2) The resistan

1. before use, the nature and concentration of poisons in the operating environment and the oxygen content in the air must be clarified. Before understanding the operating environmental conditions, it

Hyz4 isolated positive pressure oxygen respirator is a new product developed by our company. The structural design of the product highlights the advantages of small volume, light weight, reliable perf

In order to prevent the damage of toxic and harmful gases to human body, corresponding gas protective masks must be used according to the nature and specific conditions of toxic and harmful gases. The

Classification of gas masks Gas masks can be divided into airway type gas masks and direct type gas masks. The airway type gas mask is composed of a mask, a large or medium-sized gas filter tank and a