The high quality of the products ensures that you will be satisfied with your purchase. We sincerely do our greatest to supply the very best support for every one of the purchasers and businessmen.
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 employees are fully dedicated to our customers and continuously strive to improve our manufacturing processes, customer services and product offerings in order to ensure complete satisfaction. 3m3 lo2 vertical gas tank in bahrain - Victank, The product will supply to all over the world, such as: Plymouth, Mali, Senegal, Los Angeles, Due to our strict pursues in quality, and after-sale service, our product gets more and more popular around the world. Many clients came to visit our factory and place orders. And there are also many foreign friends who came for sight seeing, or entrust us to buy other stuff for them. You are most welcome to come to China, to our city and to our factory!