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NFPA 264 : 1995

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

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withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

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

Withdrawn date

01-17-1995

Published date

01-01-1995

Chapter 1 General
1.1 Scope
1.2 Significance
1.3 Test Limitations
1.4 Summary of Test Method
1.5 Definitions
1.6 Symbols
Chapter 2 Test apparatus
2.1 General
2.2 Conical heater
2.3 Temperature controller
2.4 Exhaust system
2.5 Load cell
2.6 Specimen mounting
2.7 Ignition circuit
2.8 Ignition timer
2.9 Gas sampling
2.10 Oxygen analyzer
2.11 Smoke obstruction measuring system
2.12 Heat flux meter
2.13 Calibration burner
2.14 Optical calibration filters
2.15 Digital data collection
Chapter 3 Calibration of equipment
3.1 Heater flux calibration
3.2 Oxygen analyzer calibration
3.3 Heat release calibration
3.4 Load cell calibration
3.5 Smoke meter calibration
Chapter 4 Test specimens
4.1 Size and preparation
4.2 Conditioning
Chapter 5 Test procedure
5.1 Preparation
5.2 Procedure
5.3 Safety precautions
Chapter 6 Calculations
6.1 General
6.2 Calibration constant using methane
6.3 Calculations for test specimen
Chapter 7 Report
7.1 Required Information
Appendix A Explanatory Material
Appendix B Precision and Bias
Appendix C Calculation of heat release with
            additional gas analysis
Appendix D Testing of Specimens in the Vertical
            Orientation
Appendix E Commentary
Appendix F Referenced Publications
Index

Presents a general methodology for measuring heat release rates of a variety of materials in a variety of end-uses. Provides a bench scale mechanism for deriving information which may be used for product and material evaluation, mathematical modeling, design purposes, as well as research and development.

DevelopmentNote
REDESIGNATED AS NFPA 271(12/2000)
DocumentType
Standard
PublisherName
National Fire Protection Association
Status
Withdrawn
SupersededBy
Supersedes

NFPA 263 : 1994 METHOD OF TEST FOR HEAT AND VISIBLE SMOKE RELEASE RATES FOR MATERIALS AND PRODUCTS
ASTM D 3286 : 1996 Standard Test Method for Gross Calorific Value of Coal and Coke by the Isoperibol Bomb Calorimeter (Withdrawn 2000)
NFPA 258 : 2001 DETERMINING SMOKE GENERATION OF SOLID MATERIALS

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