Gas Mask

 gas mask is a self-absorption filtering personal protective equipment,which is mainly used to protect people’s head,face and respiratory tract from injuries caused by radioactive dust, chemical agents,biological warfare agents, and can be used by the military,police and civil defense. It can be used by different fields such as industry,agriculture,medical team and scientific research.

Technical Specifications

(1) The protection time for sand forest is not less than 90min.

(2) *Protection time for HCN is not less than 30min.

(3) The protection time for phosgene is not less than 15min.

(4) The filtration efficiency of the canister is not less 99.99%.

(5) Gas mask cover rubber(0.5mm thick) protects mustard gas from”liquid-to-gas” for no less than 6h.

(6) *Breathing resistance:at a constant air flow of 30L/min,the inspiratory resistance is not greater than 160Pa; the expiratory resistance is not more than 90Pa.

(7) The total field of view is not less than 70%;the binocular field of view is not less than 20%.

(8) Under the environmental condition of -25℃,the effective guarantee time is not less than 2h.

(9) The sound transmission loss is not more than 8dB,which can be used in conjunction with the electro-speaker.

(10) The gas mask can be used normally between-25℃~35℃.

(11) The mask is divided into S,M, and L.

(12) Wearing weight is not more than 850g.

(13) Storage period is 10 years.

( With * for production inspection indicators)

When using other canisters,the performance of the canister is the same as that of the selected canister.

Table 1 Mask type selection comparison

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