NFPA 271:2009 Edition

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Standard Method of Test for Heat and Visible Release Rates for Materials and Products using an Oxygen Consumption Calo

Published By	Publication Date	Number of Pages
NFPA	2009	31

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Description

Use NFPA 271: Standard Method of Test for Heat and Visible Smoke Release Rates for Materials and Products Using an Oxygen Consumption Calorimeter to determine the ignitability, heat release rate, mass loss rates, effective heat of combustion, and visible smoke development of materials and products.

The results of the NFPA 271 test method are very useful in evaluating materials or products, mathematical fire modeling, design of new materials or products and in research and development. The method measures the response of materials to levels of radiant heating with or without an external igniter.

The 2009 edition of this Standard clarifies and qualifies the use of the terms Heat Release Rate and Sustained Flaming.

PDF Catalog

PDF Pages	PDF Title
2	Important Notices and Disclaimers Important Notices and Disclaimers
3	Additional Notices and Disclaimers Additional Notices and Disclaimers
4	2.1 General 2.1 General 2.2 NFPA Publications. (Reserved) 2.2 NFPA Publications. (Reserved)
7	Chapter 1 Administration Chapter 1 Administration 1.1 Scope 1.1 Scope 1.2 Purpose 1.2 Purpose 1.3 Application 1.3 Application
8	1.4 Units 1.4 Units 1.5 Symbols 1.5 Symbols Chapter 2 Referenced Publications Chapter 2 Referenced Publications 2.3 Other Publications 2.3 Other Publications 2.4 References for Extracts in Mandatory Sections. (Reserved) 2.4 References for Extracts in Mandatory Sections. (Reserved) Chapter 3 Definitions Chapter 3 Definitions 3.1 General 3.1 General 3.2 NFPA Official Definitions 3.2 NFPA Official Definitions
9	3.3 General Definitions 3.3 General Definitions Chapter 4 Test Apparatus Chapter 4 Test Apparatus 4.1 General 4.1 General 4.2 Conical Heater 4.2 Conical Heater 4.3 Temperature Controller 4.3 Temperature Controller
10	4.4 Exhaust System 4.4 Exhaust System
11	4.5 Load Cell 4.5 Load Cell 4.6 Specimen Mounting 4.6 Specimen Mounting 4.7 Ignition Circuit 4.7 Ignition Circuit
12	4.8 Ignition Timer 4.8 Ignition Timer 4.9 Gas Sampling 4.9 Gas Sampling 4.10 Oxygen Analyzer 4.10 Oxygen Analyzer 4.11 Smoke Obscuration–Measuring System 4.11 Smoke Obscuration–Measuring System 4.12 Heat Flux Meter 4.12 Heat Flux Meter
13	4.13 Calibration Burner 4.13 Calibration Burner 4.14 Optical Calibration Filters 4.14 Optical Calibration Filters 4.15 Digital Data Collection 4.15 Digital Data Collection
14	4.16 Test Environment 4.16 Test Environment Chapter 5 Calibration of Equipment Chapter 5 Calibration of Equipment 5.1 Heater Flux Calibration 5.1 Heater Flux Calibration 5.2 Oxygen Analyzer Calibration 5.2 Oxygen Analyzer Calibration
15	5.3 Heat Release Calibration 5.3 Heat Release Calibration 5.4 Load Cell Calibration 5.4 Load Cell Calibration 5.5 Smoke Meter Calibration 5.5 Smoke Meter Calibration Chapter 6 Test Specimens Chapter 6 Test Specimens 6.1 Specimen Size 6.1 Specimen Size 6.2 Specimen Testing 6.2 Specimen Testing 6.3 Conditioning 6.3 Conditioning Chapter 7 Test Procedure Chapter 7 Test Procedure 7.1 Preparation 7.1 Preparation
16	7.2 Procedure 7.2 Procedure 7.3 Safety Precautions 7.3 Safety Precautions Chapter 8 Calculations Chapter 8 Calculations 8.1 General 8.1 General 8.2 Calibration Constant Using Methane 8.2 Calibration Constant Using Methane 8.3 Calculations for Test Specimen 8.3 Calculations for Test Specimen
17	Chapter 9 Report Chapter 9 Report 9.1 Required Information 9.1 Required Information
18	Annex A Explanatory Material Annex A Explanatory Material
19	Annex B Precision and Bias Annex B Precision and Bias
20	Annex C Calculation of Heat Release with Additional Gas Analysis Annex C Calculation of Heat Release with Additional Gas Analysis
21	Annex D Testing of Specimens in the Vertical Orientation Annex D Testing of Specimens in the Vertical Orientation
22	Annex E Commentary Annex E Commentary
24	Annex F Method of Determining Suitability of Oxygen Analyzers for Making Heat Release Measurements Annex F Method of Determining Suitability of Oxygen Analyzers for Making Heat Release Measurements
25	Annex G Informational References Annex G Informational References
26	Index Index

Additional information

Standard Title	Standard Method of Test for Heat and Visible Release Rates for Materials and Products using an Oxygen Consumption Calo
Published Code	NFPA
Publication Date	2009
Pages Count	31

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NFPA 271:2009 Edition

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