절반 얼굴 방독면

Products Instructions of Double Cartridge Half Face Piece Gas Mask
1. Purpose and Characteristic
This double cartridge 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 faceblank, the cartridge (double), exhale valve, harness. The harness can be adjusted according to the users' needs.
2. Technical Standards
2.1 Cartridge (3#) life time ≥ 45 min.
2.2 Leakage coefficient<5%
2.3 Exhalation resistance<50PA
2.4 Inhalation resistance<20PA
2.5 Cartridge resistance≤ 80PA
2.6 real dead spaces<185ml
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 e 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 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.
4.2 The dust respirator is the disposable product, and it can't be dismantle freely.
5. Maintenance
5.1 If you want to change the new cartridge, you can buy the cartridge (double) matched the product.
5.2 The mask should be stored in the cool and dry place, and not contacted the organic solvent.
5.3 Storage life: 3 years.