MF25 half face piece gas mask

CE certificate half face gas mask against C6H6,CL2 SO2

1.Purpose and Characteristic

MF25 half face piece gas mask is apply to the workers, who work in the different filed, such as industry, the agriculture, the scientific organization and so on, and need to touch the organic gases and vapors, such as C6H6, CL2, acetone, alcohols, CS2, CCL4, CHCL3, CH3Br, nitro paraffin, paint and its derivatives and so on.

 The product’s components are the body of half face mask, the cartridge, exhale valve, rubber headbands. The headbands can be adjusted according to the users’ needs.

2. Technical Standards 

2.1 Cartridge (1#) life time ≥ 20 min; Cartridge (3#) life time ≥ 45 min; Cartridge (4#) life time ≥ 25 min; Cartridge (7#) life time ≥ 30 min

2.2 Leakage coefficient<5%

2.3 Exhalation resistance<50Pa

2.4 Inhalation resistance<20Pa

2.5 Cartridge resistance≤80Pa

3. Use and Maintenance 

3.1 Before using, check all the parts of the half face piece is ready or not. If there is something leaky or broken, it should be changed.

3.2 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.

3.3 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.

3.4 After using, the half face piece should be cleaned by alcohol or 1% peracetic acid, but it can’t be soaked in water, in case the cartridge loses efficacy.

4. Notice

4.1 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. Maintenance

5.1 If you want to change the new cartridge, you can buy the cartridge (double) matched the product from our agency.

5.2 The mask should be stored in the cool and dry place, and not contacted the organic solvent.

5.3 Storage life: more than 5 years.

MF25 half face piece gas mask