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ASTM-E1995:2004 Edition

ASTM-E1995:2004 Edition

$58.50

E1995-04a Standard Test Method for Measurement of Smoke Obscuration Using a Conical Radiant Source in a Single Closed Chamber, With the Test Specimen Oriented Horizontally

Published By Publication Date Number of Pages
ASTM 2004 24
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1.1 This is a fire-test-response standard.

1.2 This test method provides a means of measuring smoke obscuration resulting from subjecting essentially flat materials, products, or assemblies (including surface finishes), not exceeding 25 mm [1 in.] in thickness, in a horizontal orientation, exposed to specified levels of thermal irradiance, from a conical heater, in the presence of a pilot flame, in a single closed chamber. Optional testing modes exclude the pilot flame.

1.3 The principal fire-test-response characteristic obtained from this test method is the specific optical density of smoke from the specimens tested, which is obtained as a function of time, for a period of 10 min.

1.4 An optional fire-test-response characteristic measurable with this test method is the mass optical density (see ), which is the specific optical density of smoke divided by the mass lost by the specimens during the test.

1.5 The fire-test-response characteristics obtained from this test are specific to the specimen tested, in the form and thickness tested, and are not an inherent property of the material, product, or assembly.

1.6 This test method does not provide information on the fire performance of the test specimens under fire conditions other than those conditions specified in this test method. For limitations of this test method, see 5.5.

1.7 Use the SI system of units in referee decisions; see IEEE/ASTM SI-10. The inch-pound units given in brackets are for information only.

1.8 This test method 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.

1.9 Fire testing of products and materials is inherently hazardous, and adequate safeguards for personnel and property shall be employed in conducting these tests. This test method may involve hazardous materials, operations, and equipment. See also 6.2.1.2, Section 7, and 11.7.2.

1.10 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.

PDF Catalog

PDF Pages PDF Title
1 Scope
Referenced Documents
2 Terminology
Summary of Test Method
Significance and Use
3 Apparatus and Ancillary Equipment
4 FIG. 1
FIG. 2
5 FIG. 3
FIG. 4
6 FIG. 5
FIG. 6
7 FIG. 7
FIG. 8
8 FIG. 9
9 FIG. 10
10 Operator Safety
11 Test Specimen
Set-up, Calibration, and Maintenance
12 TABLE 1
13 Conditioning
Test Procedure
15 Calculation
Test Report
TABLE 2
16 Precision and Bias
Keywords
A1. Determination of mass optical density (optional measurements)
A1.1
A1.2
A1.3
A1.4 Ancillary Equipment
FIG. A1.1
17 A1.5 Calibration Procedures
A1.6 Test Procedure
A1.7 Calculation of Mass Optical Density (MOD)
A1.8 Test Report
FIG. A1.2
FIG. A1.3
FIG. A1.4
18 A2. Calibration of the working heat-flux meter
A2.1
A3. Variability in the Specific Optical Density of Smoke Measured in This Single-Chamber Test
A3.1
A3.2
A3.3
A3.4
TABLE A3.1
19 A3.5
A3.6
TABLE A3.2
TABLE A3.3
20 A3.7
TABLE A3.4
21 X1. Smoke Density Chamber:
X1.1
X1.2
X1.3 Features of This Test Method
22 X1.4 Factors Influencing this Test Method
X2. Radiant Heat-Flux Uncertainties
X2.1
X2.2
X2.3
23 X3. COMMENTARY
X3.1
X3.2
X3.3
X3.4 Correlation Between Test Methods
X3.5
X3.6
REFERENCES

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