“1. Comply with GB 2890-2009 “Respiratory Protection Self-priming Filter Gas Mask” standard.
2.2. Mask flame retardancy: continuous burning time ≤0.1s.
3. Mask exhalation valve air tightness: when the exhalation valve is decompressed to -1180Pa, the negative pressure value of the full-face mask exhalation valve should drop within 45s ≤445Pa.
4. Mask leakage rate: The leakage rate of the full-face mask should be ≤0.04%.
5. Mask dead space: ≤0.9%.
6. Mask field of view: total field of view ≥85%; binocular field of view ≥60%; lower field of view ≥40
7. Mask inhalation resistance: ≤30Pa.
8. Mask exhalation valve resistance: ≤50Pa.
9. Mask observation window eye window: lens transmittance (transmittance ratio) ≥90%. Face screen material: PC polycarbonate;
Headband: high elastic nylon
Protective object: Same as the performance of the selected filter box.
Activated carbon filter box:
Protective objects, dust, organic gas, toxic gas, benzene and ketone series, gasoline, acetone, carbon dioxide, ether, etc.
Applicable to paint mixing, painting, industry, chemical industry, factory, coal mine, dust and smoke prevention operations. And eye and face protection. “
Safety protection equipment
