Incombustible


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Incombustible

Material that does not burn in a standard test in a furnace.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved

noncombustible

1. In building construction a material of which no part will ignite and burn when subjected to fire.
2. A building material having a structural base of noncombustible material, as defined above, with surfacing not over ? in. (0.32 cm) which has a flame-spread rating not higher than 50.
3. A material, other than those falling into the above two categories, which has a flame-spread rating not higher than 25 and which shows no evidence of continued progressive combustion.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
This indicated that PCM modified with VVA and EVA at polymer contents of less than 75 kg x [m.sup.-3] and PCM with PAE at a polymer content of less than 30 kg x [m.sup.-3] meet the requirements as incombustible materials.
(1989) encontraron que algunas minas requerian entre 79 y 82% de material incombustible para evitar las explosiones.
Nitrogen (in APP) in EP-6 produces incombustible gases such as N[H.sub.3], which can swell the just formed char.
En conformidad a ese abandono, ni la historia tiene un sentido, un horizonte teleologico hacia el que inevitablemente se endereza, ni el saber, el conjunto de nuestras proposiciones, se funda en un piso firme e incombustible con el que pudieramos confrontarlas.
67) es un aspecto que marco su incombustible trayectoria.