We insist on offering good quality generation with very good business enterprise concept, honest income as well as best and fast assistance. it will bring you not only the premium quality product or service and huge profit, but probably the most significant is usually to occupy the endless market for We are sincerely looking forward to cooperate with buyers all around the world. We imagine we will satisfy you. We also warmly welcome shoppers to visit our organization and purchase our merchandise.
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.
Bear "Customer initially, High quality first" in mind, we do the job closely with our customers and supply them with efficient and skilled providers for 1m3 o2 liquid nitrogen tank in namibia - Victank, The product will supply to all over the world, such as: Brasilia, Uzbekistan, Tanzania, Comoros, We focus on providing service for our clients as a key element in strengthening our long-term relationships. Our continual availability of high grade products in combination with our excellent pre-sale and after-sales service ensures strong competitiveness in an increasingly globalized market.