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ASTM E 84 REV A Document Information:
Title
Standard Test Method for Surface Burning Characteristics of Building Materials
ASTM International
Publication Date:
Mar 1, 2008
Scope:
This 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 side.
The 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.
The use of supporting materials on the underside of the test
specimen has the ability to lower the flame spread index from those
which might be obtained if the specimen could be tested without
such support. These test results do not necessarily relate to
indices obtained by testing materials without such support.
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.
The values stated in inch-pound units are to be regarded as the
standard.
The 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.
This standard is used to measure and describe the response
of materials, products, or assemblies to heat and flame under
controlled conditions, but does not by itself incorporate all
factors required for fire-hazard or fire-risk assessment of the
materials, products, or assemblies under actual fire
conditions..
This 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.
Keywords:
- flame spread
- flame spread index
- smoke developed
- smoke developed index
- Steiner tunnel
- surface burning characteristics
- 25 ft tunnel
- tunnel test
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