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Effect of wetting agents on water penetration into asbestos insulations

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1001 ‎$0‎MAPA20080186623‎$a‎Brown, Stephen K.
24510‎$a‎Effect of wetting agents on water penetration into asbestos insulations‎$c‎Stephen K. Brown
520  ‎$a‎The effect of wetting agents on the penetration of water into asbestos insulations has been investigated in a laboratory test. The insulations behaved like porous bodies with capillary structures and exhibited large differences in wetting behavior with water. The addition of a wetting agent generally caused no change or reduction in the rate of wetting. Only amosite-calcium silicate showed improved wetting with some surfactants, possibly because of a very high contact angle with water. Use of heated water, at 60ºC, resulted in a significant but moderate increase in wetting rate for all insulations and is considered the most effective practical aid to wetting
65011‎$0‎MAPA20080585679‎$a‎Higiene industrial
65011‎$0‎MAPA20080605278‎$a‎Contaminantes químicos
65011‎$0‎MAPA20080542832‎$a‎Amianto
65011‎$0‎MAPA20080557096‎$a‎Aislamiento
65011‎$0‎MAPA20080597511‎$a‎Materiales aislantes
65011‎$0‎MAPA20080569204‎$a‎Humidificación
65011‎$0‎MAPA20080544195‎$a‎Humedad
7400 ‎$a‎American Industrial Hygiene Association journal
7730 ‎$t‎American Industrial Hygiene Association journal‎$d‎Akron, Ohio‎$g‎Vol. 51, nº 7, July 1990 ; p. 384-389