How often does it take to change the filter cotton of a gas mask?

Release time:2023-12-01

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

What do you know about anti particle masks?

Release time:2023-12-01

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

Release time: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

The main uses and common problems of thread milling cutters

Release time:2023-10-31

The use of thread milling cutters: 1. Mold manufacturing molds are precision machinery with high production costs. Therefore, in order to ensure accurate hole center distance and full thread profile, threads in large molds are processed with thread millin