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A comparison of conventional and high volume-low pressure spray- painting guns.

Authors
Heitbrink-WA; Verb-RH; Fischbach-TJ; Wallace-ME
Source
Am Ind Hyg Assoc J 1996 Mar; 57(3):304-310
NIOSHTIC No.
00230486
Abstract
The transfer efficiency of high volume low pressure (HVLP) spray guns was compared to that of conventional spray guns in experiments involving the repeated spray painting of a car body shell. Air contaminant concentration, mass of paint used, painting time, and paint film thickness were measured during 16 experimental runs. Two coats of a base coat were applied to a Pontiac Grand Am body shell during each run. A run was conducted with either a conventional gravity fed spray painting gun or an HVLP gravity fed spray painting gun. Painting was done in a downdraft booth, modified to simulate a poorly operated spray painting booth. HVLP spray painting was about 30% more efficient than conventional spray painting and reduced particulate overspray by about 50%. Solvent exposure was reduced by about a factor of 2 for the spray painter. The authors conclude that use of HVLP spray guns should be encouraged, along with the use of other control options.
Keywords
NIOSH-Author; Spray-painting; Control-technology; Industrial-hygiene; Air-contamination; Solvent-vapors; Occupational-exposure; Author Keywords: efficiency; film thickness; paint overspray; particulate exposure; solvent exposures; spray-painting
CODEN
AIHAAP
Publication Date
19960301
Document Type
Journal Article
Fiscal Year
1996
NTIS Accession No.
NTIS Price
Issue of Publication
3
ISSN
0002-8894
NIOSH Division
DPSE
Priority Area
Control-technology
Source Name
American Industrial Hygiene Association Journal
State
OH
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