ISO 5660-1:2015

ISO 5660-1:2015

March 2015
International standard Current

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)

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.

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International ISO standards

Publication date

March 2015

Number of pages

55 p.

Reference

ISO 5660-1:2015

ICS Codes

13.220.50   Fire-resistance of building materials and elements

Print number

2 - 01/01/2021
Sumary
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)

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.

Replaced standards (2)
ISO 5660-1:2002
December 2002
International standard Cancelled
Reaction-to-fire tests - Heat release, smoke production and mass loss rate - Part 1 : heat release rate (cone calorimeter method)

<p>ISO 5660-1:2002 specifies a method for assessing the heat release rate of a specimen 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.</p>

ISO 5660-2:2002
December 2002
International standard Cancelled
Reaction-to-fire tests - Heat release, smoke production and mass loss rate - Part 2 : smoke production rate (dynamic measurement)

<p>ISO 5660-2:2002 specifies a small-scale method for assessing the dynamic smoke production rate of essentially flat specimens exposed to controlled levels of radiant heating under well-ventilated conditions with or without an external igniter. The rate of smoke production 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.</p> <p>The measurement system prescribed by ISO 5660-2 is an extension of the apparatus described in ISO 5660-1. Therefore, ISO 5660-2 is used in conjunction with ISO 5660-1.</p>

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