To assess the duty filtration efficace of CT-2002 mouth cover, using electronic microscope
- Author:
Nguyen Kim Giao
- Publication Type:Journal Article
- Keywords:
CT-2002 mouth cover
- MeSH:
Mouth;
Filtration;
air
- From:Journal of Practical Medicine
2003;469(12):31-33
- CountryViet Nam
- Language:Vietnamese
-
Abstract:
CT-2002 air filtering mouth mask Vietnam producted was studied on electronic microscope concerning the structure, the convenience and the efficacy of dust filtering. Results showed that its efficacy reached 85-87% in an air flow of 30 liters/minute but in the flow of 95 liter/minute, the efficacy reduced to 44-46%. The evaluation of efficacy was performed similarly to American and Japanese NIOSH method
