NFPA 259:2023

Chapter 1 Administration 1.1 Scope. 1.2 Purpose. 1.3 Units and Formulas. 1.4 Test Method Summary. Chapter 2 Referenced Publications 2.1 General. 2.2 NFPA Publications. (Reserved) 2.3 Other Publications. 2.4 References for Extracts in Mandatory Sections. (Reserved) Chapter 3 Definitions 3.1 General. 3.2 NFPA Official Definitions. 3.3 General Definitions. Chapter 4 Test Apparatus and Materials 4.1 Oxygen Bomb Calorimeter. 4.2 Electric Muffle Furnace. 4.3 Combustion Promoter. Chapter 5 Test Specimens 5.1 Specimens. Chapter 6 Oxygen Bomb Calorimeter Test Procedure 6.1 Specimen Preparation. 6.2 Test Procedure. Chapter 7 Electric Muffle Furnace Test Procedure 7.1 Specimen Preparation. 7.2 Test Procedure. Chapter 8 Calculating Potential Heat 8.1 Calculations with Not More Than 5 Percent Residue. 8.2 Calculations with More Than 5 Percent Residue.8.3 Test Variation. 8.4 Reporting Units. Chapter 9 Report 9.1 Required Information. Annex A Explanatory Material Annex B Application of Potential Heat Data Annex C Potential Heat of Selected Building Materials Annex D Informational References

This method of test shall provide a means of determining, under controlled laboratory conditions, the potential heat of building materials subjected to a defined high-temperature exposure condition.