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What is ASTM E 662, Standard Test Method for Specific Optical Density of Smoke Generated by Solid Materials (Smoke Obscuration Test)?

April 26, 2017ASTM density method optical smoke standard Test

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What is ASTM E 662, Standard Test Method for Specific Optical Density of Smoke Generated by Solid Materials (Smoke Obscuration Test)?

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Smoke obscuration is measured in the Smoke Density Chamber. Inside this chamber, a specimen is exposed to either radiant heat (non-flaming condition) or radiant heat in combination with a pilot flame (flaming condition). The result is expressed as a maximum Specific Optical Density, as determined by the amount and density of the smoke emitted from the specimen.