Document ID (ISN) | 58733 |
CIS number |
92-1635 |
ISSN - Serial title |
1047-322X - Applied Occupational and Environmental Hygiene |
Year |
1991 |
Convention or series no. |
|
Author(s) |
Oestenstad R.K., Zwissler A.M. |
Title |
Comparison of fit provided by natural and silicone rubber facepieces of the same brand of half-mask respirator |
Bibliographic information |
Sep. 1991, Vol.6, No.9, p.785-789. Illus. 19 ref. |
Abstract |
The fit provided by natural and silicone rubber facepieces of the same brand and size of half-mask respirator were compared by performing multiple fit tests on 45 subjects. The tests consisted of a six-exercise protocol while measuring the penetration of ambient room aerosols. The fit factors for the silicone rubber facepiece were found to be significantly greater than those for the natural rubber facepiece. It was noted that the maximum and minimum fit factors obtained with the natural rubber facepiece were higher than those for the silicone rubber facepiece. The variability of fit factors for the silicone rubber facepiece was also found to be higher than that of the natural rubber facepiece. This would affect the calculation of fit factor lower tolerance limits and should be considered in estimating the lowest likely fit provided by a respirator for an individual or a group of wearers. |
Descriptors (primary) |
silicone rubber; natural rubber; leakage testing; facepieces; respirators |
Descriptors (secondary) |
statistical evaluation; comparative study; test aerosol generation |
Document type |
D - Periodical articles |
Country / State or Province | USA |
Subject(s) |
Personal protection
|
Broad subject area(s) |
Chemical safety
|
Browse category(ies) |
Respiratory protection
|