ASTM-E662 2005

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E662-05 Standard Test Method for Specific Optical Density of Smoke Generated by Solid Materials

Published By	Publication Date	Number of Pages
ASTM	2005	24

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Categories: 13.220.40 - Ignitability and burning behaviour of materials and products, 17.180.99 - Other standards related to optics and optical measurements, ASTM

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Description

1.1 This fire-test-response standard covers determination of the specific optical density of smoke generated by solid materials and assemblies mounted in the vertical position in thicknesses up to and including 1 in. (25.4 mm).

1.2 Measurement is made of the attenuation of a light beam by smoke (suspended solid or liquid particles) accumulating within a closed chamber due to nonflaming pyrolytic decomposition and flaming combustion.

1.3 Results are expressed in terms of specific optical density which is derived from a geometrical factor and the measured optical density, a measurement characteristic of the concentration of smoke.

1.4 This test method is intended for use in research and development and not as a basis for ratings for regulatory purposes.

This standard measures and describes 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.

1.5 The values stated in inch-pound units are to be regarded as standard. Values stated in parentheses are for information only.

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PDF Pages	PDF Title
1	Scope Referenced Documents Terminology Summary of Test Method Significance and Use
2	Limitations Apparatus
3	FIG. 1
4	FIG. 2
5	Test Specimens FIG. 3
6	FIG. 4 FIG. 5
7	FIG. 6
8	Conditioning FIG. 7
9	Number of Test Specimens Procedure FIG. 8
10	Calculation
11	Report Precision and Bias Keywords
12	TABLE 1 TABLE 2
13	A1. CALIBRATION OF TEST EQUIPMENT A1.1 Photometric System FIG. A1.1
14	A1.2 Radiometer TABLE A1.1
15	FIG. A1.2
16	A2. CONSTRUCTION DETAILS A2.1 Radiant Heat Furnace A2.2 Specimen Holder A2.3 Support of Furnace and Specimen Holder A2.4 Photometric System A2.5 Radiometer
17	A2.6 Chamber Wall Thermocouple A2.7 Burner A2.8 Chamber Pressure Regulator X1. ADDITIONAL CALCULATIONS X1.1
18	X2. TABULAR CONVERSION OF PERCENT TRANSMITTANCE TO SPECIFIC OPTICAL DENSITY WHEN G = 132.
19	X3. SUGGESTED SMOKE DENSITY CHAMBER REPORT FORM
20	X4. COMMENTARY X4.1 Introduction X4.2 Features of Test Method FIG. X4.1
21	X4.3 Factors Influencing the Test
22	X4.4 Precision X4.5 Reporting of Results X4.6 Limitations on Application of Smoke Measurement Data
23	X5. STANDARD MATERIALS X5.1 REFERENCES FIG. X4.2

Additional information

Standard Title	E662-05 Standard Test Method for Specific Optical Density of Smoke Generated by Solid Materials
Published Code	ASTM
Publication Date	2005
Pages Count	24
ICS Codes	13.220.40 - Ignitability and burning behaviour of materials and products 17.180.99 - Other standards related to optics and optical measurements

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ASTM-E662 2005

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