Standard Test Method for Surface Burning Characteristics of Building
Copyright 2000 AMERICAN
SOCIETY FOR TESTING AND MATERIALS, West Conshohocken, PA. All rights
fire-test-response standard for the comparative surface burning behavior
of building materials is applicable to exposed surfaces such as walls
and ceilings. The test is conducted with the specimen in the ceiling
position with the surface to be evaluated exposed face down to the
ignition source. The material, product, or assembly shall be capable of
being mounted in the test position during the test. Thus, the specimen
shall either be self-supporting by its own structural quality, held in
place by added supports along the test surface, or secured from the back
purpose of this test method is to determine the relative burning
behavior of the material by observing the flame spread along the
specimen. Flame spread and smoke developed index are reported. However,
there is not necessarily a relationship between these two measurements.
use of supporting materials on the underside of the test specimen may
lower the flame spread index from that which might be obtained if the
specimen could be tested without such support, and the test results do
not necessarily relate to indices obtained by testing materials without
test method may not be appropriate for obtaining comparative surface
burning behavior of some cellular plastic materials.
Testing of materials that melt, drip, or delaminate to such a degree
that the continuity of the flame front is destroyed, results in low
flame spread indices that do not relate directly to indices obtained by
testing materials that remain in place.
values stated in inch-pound units are to be regarded as the standard.
text of this standard references notes and footnotes that provide
explanatory information. These notes and footnotes, excluding those in
tables and figures, shall not be considered as requirements of the
standard should be used to measure and describe the response of
materials, products, or assemblies to heat and flame under controlled
conditions and should not be used to describe or appraise the
fire-hazard or fire-risk of materials, products, or assemblies under
actual fire conditions. However, results of the test may be used as
elements of a fire- hazard assessment or a fire-risk assessment which
takes into account all of the factors which are pertinent to an
assessment of the fire hazard or fire risk of a particular end use.
standard does not purport to address all of the safety concerns, if any,
associated with its use. It is the responsibility of the user of this
standard to establish appropriate safety and health practices and
determine the applicability of regulatory limitations prior to use.
by: DOD Approved Building Codes ANSI Adopted
Developed by ASTM Subcommittee:
Protecciones Anticorrosivas y
Térmicas, S.A. de C.V.
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03800, México, Tels.
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