ISO 5660-1:2015 PDF

Reaction-to-fire tests — Heat release, smoke production and mass loss rate — Part 1: Heat release rate (cone calorimeter method) and smoke production rate (dynamic measurement)

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Title (English):

ISO 5660-1:2015

Reaction-to-fire tests — Heat release, smoke production and mass loss rate — Part 1: Heat release rate (cone calorimeter method) and smoke production rate (dynamic measurement)

Document status:: Active
Format:: Electronic (PDF)
Number of pages:: 60
Publication date:: March 20, 2015
Edition:: ISO IS 5660 edition 3 version 1
ICS:: 13.220.50

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Description (English):

ISO 5660-1:2015 specifies a method for assessing the heat release rate and dynamic smoke production rate of specimens exposed in the horizontal orientation to controlled levels of irradiance with an external igniter. The heat release rate is determined by measurement of the oxygen consumption derived from the oxygen concentration and the flow rate in the combustion product stream. The time to ignition (sustained flaming) is also measured in this test. The dynamic smoke production rate is calculated from measurement of the attenuation of a laser light beam by the combustion product stream. Smoke obscuration is recorded for the entire test, regardless of whether the specimen is flaming or not.

Technical details

Technical committee: ISO/TC 92/SC 1 - Fire initiation and growth
SKU: ISO 5660-1:2015

Abstract

Overview

ISO 5660-1:2015 specifies a standardized laboratory method for measuring the heat release rate (HRR) and dynamic smoke production rate (SPR) of materials and products using the cone calorimeter method. The test exposes specimens in a horizontal orientation to controlled radiant irradiance and an external igniter. Key outputs include HRR (derived from oxygen consumption and exhaust flow), time to ignition (TTI), smoke obscuration (via laser attenuation) and mass loss rate (MLR) recorded throughout the test.

Keywords: ISO 5660-1, cone calorimeter, heat release rate, smoke production rate, reaction-to-fire tests, dynamic smoke measurement, oxygen consumption.

Key topics and technical requirements

Measurement principles
- HRR determined by oxygen consumption analysis from combustion product stream (oxygen concentration + flow rate).
- Dynamic SPR calculated from attenuation of a laser light beam through the exhaust (smoke obscuration recorded continuously).
- TTI (sustained flaming) and MLR are measured during the test.
Apparatus and instrumentation
- Cone-shaped radiant electrical heater, radiation shield and irradiance control.
- Exhaust duct and flow-measuring instrumentation, oxygen analyser, smoke obscuration measuring system (laser), and weighing device.
- Specimen holder, retainer frame, ignition circuit/timer, heat flux meters and calibration burner.
Specimen preparation and test environment
- Requirements for specimen construction, conditioning and suitability (e.g., composite or dimensionally unstable materials).
- Horizontal orientation specified; guidance available for other orientations in informative annexes.
Calibration and quality control
- Extensive calibration procedures: heat flux, smoke meter (neutral density filters), oxygen analyser, weighing device and flow meters.
- Data collection, calculation methods and reporting requirements defined for repeatable, comparable results.
Outputs and calculations
- HRR (kW/m2 or per specimen), MLR, SPR and smoke obscuration time histories; calibration constants and normalization options included.

Practical applications and users

Fire test laboratories and certification bodies performing reaction-to-fire tests.
Product manufacturers (textiles, plastics, foams, composites, furniture, building materials) evaluating flammability, fire performance, and the effectiveness of flame retardants.
Regulatory agencies, building code authorities and safety engineers using HRR/SPR data for material classification, risk assessment and compliance decisions.
R&D and materials scientists conducting fire behavior research and comparative material screening.

Related standards

ISO 5660 series (Part 3: guidance on measurement; Part 4: under preparation for low combustibility).
Developed by ISO/TC 92 (Fire safety), Subcommittee SC 1.

ISO 5660-1:2015 is a widely adopted, reproducible method for quantifying heat release and smoke production-essential metrics for fire safety assessment, product development and regulatory compliance.

Related standards

Mentioned in the description and other ISO standards

Abstract

Overview

Keywords: ISO 5660-1, cone calorimeter, heat release rate, smoke production rate, reaction-to-fire tests, dynamic smoke measurement, oxygen consumption.

Key topics and technical requirements

Measurement principles
- HRR determined by oxygen consumption analysis from combustion product stream (oxygen concentration + flow rate).
- Dynamic SPR calculated from attenuation of a laser light beam through the exhaust (smoke obscuration recorded continuously).
- TTI (sustained flaming) and MLR are measured during the test.
Apparatus and instrumentation
- Cone-shaped radiant electrical heater, radiation shield and irradiance control.
- Exhaust duct and flow-measuring instrumentation, oxygen analyser, smoke obscuration measuring system (laser), and weighing device.
- Specimen holder, retainer frame, ignition circuit/timer, heat flux meters and calibration burner.
Specimen preparation and test environment
- Requirements for specimen construction, conditioning and suitability (e.g., composite or dimensionally unstable materials).
- Horizontal orientation specified; guidance available for other orientations in informative annexes.
Calibration and quality control
- Extensive calibration procedures: heat flux, smoke meter (neutral density filters), oxygen analyser, weighing device and flow meters.
- Data collection, calculation methods and reporting requirements defined for repeatable, comparable results.
Outputs and calculations
- HRR (kW/m2 or per specimen), MLR, SPR and smoke obscuration time histories; calibration constants and normalization options included.

Practical applications and users

Fire test laboratories and certification bodies performing reaction-to-fire tests.
Product manufacturers (textiles, plastics, foams, composites, furniture, building materials) evaluating flammability, fire performance, and the effectiveness of flame retardants.
Regulatory agencies, building code authorities and safety engineers using HRR/SPR data for material classification, risk assessment and compliance decisions.
R&D and materials scientists conducting fire behavior research and comparative material screening.

Related standards

ISO 5660 series (Part 3: guidance on measurement; Part 4: under preparation for low combustibility).
Developed by ISO/TC 92 (Fire safety), Subcommittee SC 1.

ISO 5660-1:2015 is a widely adopted, reproducible method for quantifying heat release and smoke production-essential metrics for fire safety assessment, product development and regulatory compliance.

ISO 5660-1:2015 PDF

Technical details

Abstract

Overview

Key topics and technical requirements

Practical applications and users

Related standards

Related standards

Abstract

Overview

Key topics and technical requirements

Practical applications and users

Related standards

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