We have built a long-lasting and trustful trade relationship with our partners all over the world. We seek to promote trade and friendship to our mutual advantage. Welcome throughout the world buyers to speak to us for organization and long-term cooperation. We're going to be your reliable partner and supplier.

1) Filtration efficiency: under the condition of air flow (85 ± 2) l / min, the filtration efficiency of sodium chloride aerosol with median diameter (0.24 ± 0.06) μ m in aerodynamics shall not be less than 95%, that is to say, it shall meet the grade of N95 (or FFP2) and above. It can block the air-borne infectious factors with a diameter of less than 5 μ m or close contact with the infectious factors transmitted by droplets.

2) Suction resistance: under the above flow conditions, the suction resistance shall not exceed 343.2pa (35mmh2o).

3) When the sample is sprayed to the mask under the pressure of 10.9kpa (80mmHg), the inner side of the mask shall be free of penetration and other technical indicators.

4) The mask must be equipped with a nose clip, which is made of bendable plastic material with a length of more than 8.5cm.

5) Synthetic blood is sprayed at 10.7kpa (80mmHg) pressure to the mask sample, and there should be no penetration inside the mask.

Our primary target will be to provide our clients a serious and responsible small business relationship, supplying personalized attention to all of them for 16bar n2 argon tank in mauritania - Victank, The product will supply to all over the world, such as: Barbados, Florence, Greenland, Provence, With high quality, reasonable price, on-time delivery and customized & personalized services to help customers achieve their goals successfully, our company has got praise in both domestic and foreign markets. Buyers are welcome to contact us.