2023-12-01
How often does it take to change the filter cotton of a gas mask?
The filtering element of the physical filtering method only needs to consider respiratory resistance. And how long a specification of melt blown material filter cotton can be used, mainly considering static electricity loss and increased resistance. The d
2023-12-01
What do you know about anti particle masks?
What is an anti particle mask? Anti particle masks are a type of respiratory protective equipment that primarily protects against particulate matter. Including dust, fog, smoke, and microorganisms. The particles that can enter the depths of a person's lun
2023-10-31
1、 Respiratory protective equipment is classified into three categories based on its protective purpose: dust prevention, gas prevention, and oxygen supply. According to the principle of action, it is divided into two categories: purification type and iso
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