ASTM-E970 2008

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E970-08 Standard Test Method for Critical Radiant Flux of Exposed Attic Floor Insulation Using a Radiant Heat Energy Source

Published By	Publication Date	Number of Pages
ASTM	2008	11

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Categories: 91.120.10 - Thermal insulation of buildings, ASTM

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Description

1.1 This fire-test-response standard describes a procedure for measuring the critical radiant flux of exposed attic floor insulation subjected to a flaming ignition source in a graded radiant heat energy environment in a test chamber. The specimen is any attic floor insulation. This test method is not applicable to those insulations that melt or shrink away when exposed to the radiant heat energy environment or the pilot burner.

1.2 This fire-test-response standard measures the critical radiant flux at the point at which the flame advances the farthest. It provides a basis for estimating one aspect of fire exposure behavior for exposed attic floor insulation. The imposed radiant flux simulates the thermal radiation levels likely to impinge on the floors of attics whose upper surfaces are heated by the sun through the roof or by flames from an incidental fire in the attic. This fire-test-response standard was developed to simulate an important fire exposure component of fires that develop in attics, but is not intended for use in estimating flame spread behavior of insulation installed other than on the attic floor.

1.3 The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only.

1.4 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 this standard.

1.5 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.

1.6 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.

1.7 The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Terminology
2	Summary of Test Method Significance and Use Apparatus FIG. 1 FIG. 2
3	FIG. 3 FIG. 4
4	FIG. 5
5	Hazards Sampling Test Specimens Radiant Heat Energy Flux Profile Standardization FIG. 6
6	Conditioning Procedure FIG. 7
7	Calculation Report FIG. 8
8	Precision and Bias Keywords A1. PROCEDURE FOR CALIBRATION OF RADIATION INSTRUMENTATION A1.1 Radiation Pyrometer A1.2 Total Heat Flux Meter FIG. 9
9	X1. COMMENTARY OF CRITICAL RADIANT FLUX TEST FOR EXPOSED ATTIC FLOOR INSULATION X1.1 X1.2 X1.3 X1.4 X1.5 X1.6 X1.7
10	X1.8 X1.9 X1.10 Historic Photograph
11	REFERENCES FIG. X1.1

Additional information

Standard Title	E970-08 Standard Test Method for Critical Radiant Flux of Exposed Attic Floor Insulation Using a Radiant Heat Energy Source
Published Code	ASTM
Publication Date	2008
Pages Count	11
ICS Codes	91.120.10 - Thermal insulation of buildings

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ASTM-E970 2008

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