Our personnel are always in the spirit of "continuous improvement and excellence", and together with the top-quality good quality solutions, favorable selling price and superior after-sales providers, we try to acquire each customer's rely on for If you are interested in any of our items, please don't hesitate to contact us and take the first step to build up a successful business relationship.

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.

"Sincerity, Innovation, Rigorousness, and Efficiency" is the persistent conception of our firm to the long-term to develop together with consumers for mutual reciprocity and mutual advantage for 25bar co2 tank for beverage in costa rica - Victank, The product will supply to all over the world, such as: Borussia Dortmund, Karachi, Bandung, Seattle, Our market share of our products has greatly increased yearly. If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. We are looking forward to forming successful business relationships with new clients around the world in the near future. We are looking forward to your inquiry and order.