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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) >
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), 2015
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Symbols
- 5 Principle
- 6 Apparatus
- 6.1 General
- 6.2 Cone-shaped radiant electrical heater
- 6.3 Radiation shield
- 6.4 Irradiance control
- 6.5 Weighing device
- 6.6 Specimen holder
- 6.7 Retainer frame
- 6.8 Exhaust gas system with flow measuring instrumentation
- 6.9 Gas sampling apparatus
- 6.10 Ignition circuit
- 6.11 Ignition timer
- 6.12 Oxygen analyser
- 6.13 Heat flux meters
- 6.14 Calibration burner
- 6.15 Data collection and analysis system
- 6.16 Optional side screens
- 6.17 Smoke obscuration measuring system
- 6.18 Smoke system thermocouple
- 6.19 Optical filters
- 7 Suitability of a product for testing
- 7.1 Surface characteristics
- 7.2 Asymmetrical products
- 7.3 Materials of short burning time
- 7.4 Composite specimens
- 7.5 Dimensionally unstable materials
- 7.6 Materials that require testing under compression
- 8 Specimen construction and preparation
- 8.1 Specimens
- 8.2 Conditioning of specimens
- 8.3 Preparation
- 8.3.1 Specimen wrapping
- 8.3.2 Specimen preparation
- 8.3.3 Preparing specimens of materials that require testing under compression
- 9 Test environment
- 10 Calibration
- 10.1 Preliminary calibrations
- 10.1.1 General
- 10.1.2 Irradiance control system response characteristics
- 10.1.3 Weighing device response time
- 10.1.4 Weighing device output drift
- 10.1.5 Oxygen analyser delay and response times
- 10.1.6 Oxygen analyser output noise and drift
- 10.1.7 Effect of side screens
- 10.2 Operating calibrations
- 10.2.1 General
- 10.2.2 Weighing device accuracy
- 10.2.3 Oxygen analyser
- 10.2.4 Heat release rate calibration
- 10.2.5 Heater calibration
- 10.3 Smoke meter calibration
- 10.3.1 Calibration with neutral density filters
- 10.3.2 Calibration before test
- 10.4 Less frequent calibrations
- 10.4.1 Operating heat flux meter calibration
- 10.4.2 Linearity of heat release rate measurements
- 10.4.3 Accuracy of calibration burner flow meter
- 11 Test procedure
- 11.1 General precautions
- 11.2 Initial preparation
- 11.3 Procedure
- 12 Calculations
- 12.1 General
- 12.2 Calibration constant for oxygen consumption analysis
- 12.3 Heat release rate
- 12.4 Exhaust duct flow rate
- 12.5 Mass loss rate
- 12.6 Smoke obscuration
- 13 Test report
- Annex A (informative) Commentary and guidance notes for operators
- Annex B (informative) Supplementary calculations — Normalization to the mass loss rate of the specific extinction area of specimen
- Annex C (informative) Resolution, precision and bias
- Annex D (informative) Mass loss rate and effective heat of combustion
- Annex E (informative) Testing in the vertical orientation
- Annex F (informative) Calibration of the working heat flux meter
- Annex G (informative) Calculation of heat release with additional gas analysis
- Annex H (informative) Calculation of Effective Critical Heat Flux for Ignition
- Bibliography [Go to Page]