Can the gas mask be breathable? What material can it protect against gas?
Yes, according to the principle of protection, can be divided into filter type gas masks and isolated gas masks.
In addition to the above 2 kinds of gas masks, many countries are equipped with various types of special gas masks. The utility model is based on the filter type gas mask, and the sorbent in the filter can be replaced or the local structure can be improved. Modern masks can effectively defense agents, may appear on the battlefield of biological warfare agents and radioactive dust. Some of its weight has been reduced to about 0.6 kilograms, sustainable wear more than 8 hours, wearing gas masks, but also more convenient to use optical, communications equipment and weapons and equipment.It is made of high quality silica gel, which is anti - aging, anti - allergy, durable and easy to clean
The mask itself provides oxygen, gas storage, oxygen storage and student oxygen 3 kinds. Isolation masks are mainly used in high concentration air (volume concentration greater than 1%), or in hypoxia, high-altitude, underwater or airtight cabin, and other special occasions.
Composed of a mask and a canister (or filter element). The mask comprises a cover body, an eye window, a talker, a breathing valve and a headband (or helmet). The filter canister is used for purifying the polluted air, a smoke filter layer and a sorbent are arranged, and the 2 materials can be mixed into a filter board to be assembled into a filter element. A lighter (200 grams) filter canister or filter element may be attached directly to the face mask, and the heavier canister is communicated with the mask through the airway.
