China Reusable Two Eyes Gas Mask with Drink Anti Pollution Mask

service life(min)ExhalationOil mist penetration coefficient

Inhalation resistance,

dapa

>30min,

CNCI:1.5mg/l,

30l/min,

Φ:80%

Cyanogens chloride: not less than 50 minutes at 30 L/min.

(1),5mg/L, 80-80% RH conditions.

Hydrocyanic acid: not less than 50 minutes at 30L/min,3mg/L conditions.

(2) Oil mist penetration coefficient: not more then 0.005% at 30L/min

(3) Inhalation resistance: not more than 186 pa at 30L/min.

(4) EVariable-Frequency Drive xhalation resistance: not more then 100 pa at 30L/min.

(5) Visual field: total notLaboratory Instruments less than 75%, binocular Resistor & Potentiometer visual field not less than 30%.

(6) Weight: Complete set of mask app . 700 grams.

(7) Storage life: more then 8 years.