Standard: NFPA 271

STANDARD METHOD OF TEST FOR HEAT AND VISIBLE SMOKE RELEASE RATES FOR MATERIALS AND PRODUCTS USING AN OXYGEN CONSUMPTION CALORIMETER

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Scope:

This test method measures the response of materials exposed to controlled levels of radiant heating, with or without an external igniter.

This test method determines the ignitibility, heat release rate, mass loss rates, effective heat of combustion, and visible smoke development of materials and products.

This test method tests the specimen in the horizontal orientation.

Purpose.

This test method provides measurements of the behavior of material and product specimens under a specified radiant heat exposure in terms of the rate of heat release, effective heat of combustion, mass loss rate, time to ignition, and smoke production.

The data obtained for a specific test describe the rate of heat and smoke release of the specimen when exposed to the specific conditions and procedures used in performance of that test.

Release rate measurements provide a quantitative measure of specific changes in performance caused by product modification.

Organization: National Fire Protection Association
Document Number: nfpa 271
Publish Date: 2009-01-01
Page Count: 31
Available Languages: EN
DOD Adopted: NO
ANSI Approved: YES
Most Recent Revision: YES
Current Version: YES
Status: Active

Document History

Document # Change Type Update Date Revision Status
NFPA 271 Change Type: Update Date: 2004-01-01 Revision: 04 Status: INAC
NFPA 271 Change Type: Update Date: 2001-08-02 Revision: 01 Status: INAC
NFPA 271 Change Type: Update Date: 1998-08-05 Revision: 98 Status: INAC

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