Knowledge

1 raw coal crushed granular activated carbon In the 1990s, the manufacturer used the block high-quality Jurassic bituminous coal in Datong, Shanxi Province to produce raw coal broken granular activate

1. Filter type It consists of a mask and a poison filter tank (or filter element). The mask comprises a cover body, an eye window, a talker, a breathing valve, a headband (or helmet) and other compone

Since its birth, gas masks have experienced several generations of replacement. Gas masks have gradually expanded from military use to various fields, including industrial protection, labor protection

​Gas masks are widely used in the working environment of harmful gases, which can effectively protect the workers.

​Gas mask is a special personal labor protection product and also a personal protective product.

If you feel a certain pressure on your face, but do not feel any air leaking between the face and the mask, it means good adhesion;

If a hole is found on the face mask or airway of the gas mask, you can pinch the hole with your finger, and if the air pipe on your gas mask is damaged, you can use the canister Just connect it direct

The gas mask should be correctly selected, the correct model should be selected, and the kind of poisonous gas should be confirmed.

​According to the protection principle, it can be divided into filtering gas mask and isolated gas mask.

​Gas mask is a personal labor protection product and also a personal protective product.

​Air purifiers, like water purifiers, need to be cleaned regularly, and some need to be replaced with filters or gallbladders to maintain their purification effect.