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1. Application
MF26 Half Mask with Bi-canister is a kind of self-inhalation filter type individual protective equipment, and can effectively protect the wear’s respiratory organs against the harmful of toxic agents. The product carry out of the standard GB2890-2009. MF26 is designed for use in different fields such as industry, the agriculture, the scientific organization, and public emergency treatment, etc.
2. Composition and Characteristic
MF26 comprises of the half face piece, double cartridge, inhalation valve and harness. The harness can be self adjusted for elasticity according to the real situation. The half face piece is made of silica gel and made by injection molding; therefore, it is felt soft texture, comfortable. It possesses advantages of small resistance, long service life, light and easy to use.
3. Technical Standards
3.1 Protection objects and service life of the cartridges
No. of the cartridges | Colors | Protective objects | Test agents | Test concentration (mg/L) | Protective time (min) |
P-B-1 | Gray | Inorganic gas | Hydro-cyanic acid | 1.1 | ≥25 |
3.2 Leakage coefficient<5%
3.3 Exhalation resistance<50Pa
3.4 Inhalation resistance<20Pa
3.5 Resistance of cartridges≤80Pa
3.6 Actual dead spaces<1%
3.7 Storage life: 3 years.
4. Use and Maintenance
4.1 Before using, check all the parts of the half face piece is ready or not. If there is something leaky or broken, it should e changed.
4.2 When wearing the dust respirator, it should be kept straight, stayed close to the face , warped the mouth and nose, and the both sides of the bridge of the nose should not have the room. The harness of the half face piece should be fastened separately, and the half face piece should be adjusted tight, but not compressed the mouth and nose, and not leak out.
4.3 The user needs to wear the face piece before going into the gas workplace. During the using, when the cartridge loses efficacy, and the scent of the gas can be smelled in the half face piece, the user should leave the area at once and change a new one. The air tightness of the half face piece needs to be checked again if necessary.
4.4 Cartridge Replacement: Unscrew the cartridges; keep cartridges base gasket formation, re-tightening the new cartridges. During changing, valve piece could not have come off, if any, install at the original location.
4.5 After using, the half face piece should be cleaned by alcohol or 1% per acetic acid, but it can’t be soaked in water, in case the cartridge loses efficacy.
5. Notice
5.1 Cartridge and the half face piece are forming a complete set using.
5.2 Depending on the type of harmful gas to choose the appropriate number or standard color of the masks.
5.3 The product is not suitable for using at the place where the quantity of the oxygen is lower than 18% (volume) in the air or the environment seal up, such as the trough, a jar and so on and also not suitable for the gas environment except the protective object.
5.4 The dust respirator is the disposable product, and it can’t be dismantle freely.
6. Maintenance
6.1 If you want to change the new cartridge, you can buy the cartridge (double) matched the product from our agency.
6.2 The mask should be stored in the cool and dry place, and not contacted the organic solvent.