DrSharpe Health
MF4047 half-mask gas mask is a personal respiratory protective equipment that adopts the self-priming filtration principle. This product is driven by the user's autonomous breathing, purifying the polluted air through high-efficiency filter elements for human breathing, and can effectively protect against toxic and harmful gases and particulate matter. Its design complies with all technical requirements of the national standard GB2890-2009 "Non-Powered Air Purification Breathing Apparatus for Respiratory Protection", and is suitable for protection of harmful working environments in industries such as chemical engineering, petroleum, and metallurgy.
| Parameter Item | Standard Value |
|---|---|
| Inspiratory resistance | ≤800Pa |
| Expiratory resistance | ≤300Pa |
| Smoke filtration performance | ≥95% |
| Air leakage coefficient in the breathing zone | ≤3% |
| Wearing weight | 531g |
| Operating temperature | -35 - +65 ℃ |
| Chemical Cartridge No. | Color Code | Protection Object | Tested Toxic Agent | Tested Concentration | Protective Period (min) |
|---|---|---|---|---|---|
| P-A-1 (3#) | Brown | Organic gas | Benzene | 5.0mg/L | ≥45 |
| P-K-1 (4#) | Green | Nitrogen and hydrogen sulfide | Ammonia | 0.76mg/L | ≥25 |
| P-E-1 (7#) | Yellow | Acid gas | Sulfur dioxide | 2.7mg/L | ≥30 |
| P-B-1 (1#) | Grey | Inorganic gas | Hydrocyanic acid | 1.1mg/L | ≥25 |
The normal package is wooden box (Size: 245*145*170mm). If export to European countries, the wooden box will be fumigated. If the container is too tight, we will use PE film for packing or pack it according to customers' special request.