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Size Distribution of Airborne Fibers in Man-made Mineral Fiber Industries  

Shin, Yong Chul (Department of Occupational Health and Safety Engineering, Inje University)
Yi, Gwang Yong (Korea Occupational Safety and Health Agency)
Publication Information
Journal of Korean Society of Occupational and Environmental Hygiene / v.15, no.3, 2005 , pp. 213-220 More about this Journal
Abstract
Penetration and health effect of fibers was related with their diameters and length. The purpose of this study is to characterize and compare the diameter and length of airborne man-made mineral fibers(MMMF) or synthetic vitreous fibers in the related industries. The average fiber length of the continuous filament glass, rock wool, refractory ceramic, and glass wool fibers production industries approximately 27, 28, 35, $50-105{\mu}m$. Airborne glass fibers were longest in all the type of MMMFs. The average diameters of airborne fibers generated from refractory ceramic, rock wool, glass wool, continuous filament glass fibers production industries were approximately 1.0, 1.6, 1.5-4 and $10{\mu}m$, respectively. The percentages of respirable fibers(<$3{\mu}m$) were 94% for RCFs, 73% for rock wool fibers, 61.0% for glass fibers, and 1.6% for filament glass fibers. The length of glass fibers were the longest in all types of fibers, and length of the others were similar. The refractory ceramic fibers were smallest in diameters and highest in fraction of respirable fibers.
Keywords
man-made mineral fibers; MMMF; synthetic vitreous fibers; size distribution;
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