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Protection efficacy of gloves against components of the solvent in a sprayed isocyanate coating utilizing a reciprocating permeation panel.

Authors
Ceballos-DM; Reeb-Whitaker-C; Sasakura-M; Dills-R; Yost-MG
Source
Ann Occup Hyg 2015 Apr; 59(3):358-372
NIOSHTIC No.
20045445
Abstract
Objectives: Determine protection effectiveness of 5-mil natural rubber latex (0.13-mm), 5-mil nitrile rubber (0.13-mm), and 13-mil butyl rubber (0.33-mm) glove materials against solvents present in a commonly used automotive clear coat formulation using a novel permeation panel. The latex and nitrile gloves were the type commonly used by local autobody spray painters. Methods: Glove materials were tested by spraying an automotive clear coat onto an automated reciprocating permeation panel (permeation panel II). Temperature, relative humidity, and spray conditions were controlled to optimize clear coat loading homogeneity as evaluated by gravimetric analysis. Solvent permeation was measured using charcoal cloth analyzed by the National Institute for Occupational Safety and Health 1501 method. Results: Natural rubber latex allowed 3-5 times the permeation of solvents relative to nitrile rubber for all 10 solvents evaluated: ethyl benzene, 2-heptanone, 1-methoxy-2-propyl acetate, o-xylene, m-xylene, p-xylene, n-butyl acetate, methyl isobutyl ketone, petroleum distillates, and toluene. There is a distinct behavior in solvent permeation before and after the coating dry time. Solvent permeation increased steadily before coating dry time and remained fairly constant after coating dry time. Butyl was not permeated by any of the solvents under the conditions tested. Conclusions: Commonly used 5-mil thick (0.13-mm) latex and nitrile gloves were ineffective barriers to solvents found in a commonly used clear coat formulation. Conversely, 13-mil (0.33-mm) butyl gloves were found to be protective against all solvents in the clear coat formulation.
Keywords
Gloves; Protective-clothing; Personal-protection; Personal-protective-equipment; Nitriles; Synthetic-rubbers; Solvents; Equipment-reliability; Performance-capability; Coatings; Author Keywords: automotive clear coats; butyl rubber; gloves; natural rubber latex; nitrile rubber; permeation; personal protective equipment; solvent
Contact
Diana M. Ceballos, Department of Environmental and Occupational Health Sciences, University of Washington, Box 357234, Seattle, WA 98195-7234, USA
CODEN
AOHYA3
CAS No.
100-41-4; 110-43-0; 108-65-6; 108-38-3; 95-47-6; 106-42-3; 123-86-4; 108-10-1; 108-88-3
Publication Date
20150401
Document Type
Journal Article
Email Address
dceballos@cdc.gov
Funding Type
Grant
Fiscal Year
2015
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-R01-OH-009364; M122014
Issue of Publication
3
ISSN
0003-4878
Source Name
Annals of Occupational Hygiene
State
WA; OH
Performing Organization
University of Washington
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