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ASTM Selected Technical Papers
Performance of Protective Clothing: Sixth Volume
By
JO Stull
JO Stull
1
International Personnel Protection, Inc.
?
Austin, TX
;
symposium cochairman and coeditor
.
Search for other works by this author on:
AD Schwope
AD Schwope
2
Arthur D. Little, Inc.
?
Cambridge, MA
;
symposium cochairman and coeditor
.
Search for other works by this author on:
ISBN-10:
0-8031-2402-3
ISBN:
978-0-8031-2402-8
No. of Pages:
368
Publisher:
ASTM International
Publication date:
1997

The effect of heat on the water vapor permeability and the watertightness of different breathable fabrics has been analysed. Samples have been exposed to a radiant heat source or were put in an oven for definite times with assessment of the changes in their waterproof and breathable properties. This study shows that microscopic changes in the structure of several materials occur after very short exposures to heat which cause a reduction in the breathability of most materials. The waterproof properties, however, remain unchanged as long as no visible damage has occurred. The microscopic changes in the structure can lead to a decrease of the breathability of heat exposed samples of more than 30%.

1.
Umbach
,
K.-H.
, “
Veränderung des Tragekomforts von Kleidung durch Gebrauchs- und Pflegeeinflüsse
,”
Melliand Textilberichte
,
1989
, pp. 492–498
2.
EN 469:1995, “
Protective clothing for firefighters — Requirements and test methods for protective clothing for firefighting
3.
ISO 6942:1993, “
Clothing for protection against heat and fire — Evaluation of the thermal behaviour of materials and material assemblies when exposed to a source of radiant heat
4.
ISO 11092:1993, “
Textiles — Physiological effects — Measurements of thermal and water vapor resistance under steady-state conditions (sweating guarded hot plate test)
5.
ISO 811/EN20811:1992, “
Textiles — Determination of resistance to water penetration — Hydrostatic pressure test
6.
Hoschke
,
B.N.
,“
Standards and Specifications for Firefighters' Clothing
,”
Fire Safety Journal
,
1981
, pp. 125–137
7.
Gibson
,
P. W.
, “
Factors Influencing Steady-State Heat and Water Vapor Transfer Measurements for Clothing Materials
,”
Textile Res. J.
 0040-5175 
63
(
12
),
1993
8.
Rossi
,
R. M.
, and
Zimmerli
,
T.
, “
Influence of humidity on the radiant, convective and contact heat transmission through protective clothing and materials
,” Performance of Protective Clothing: Fifth Volume, ASLT STP 1237,
Johnson
James S.
and
Mansdorf
S. Z.
, Eds.,
American Society for Testing and Materials
,
Philadelphia
,
1995
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