Air filter cotton is a kind of filtering medium. The air filter cotton can filter and purify the pollutant gas, dust particles and exhaust gas contained in the air. So how to choose and replace the air filter cotton?　　 1. Grasp the main influencing factors for selection, such as high temperature gas

Activated carbon non-woven fabric is a rubber-carbon mixture made of activated carbon and binder in a certain ratio, and then the coke mixture is applied to the non-woven fabric according to a certain process, and the activated carbon non-woven fabric is obtained after drying at a certain t