BS ISO 5660-1:2015+A1:2019 – TC:2020 Edition
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Reaction-to-fire tests. Heat release, smoke production and mass loss rate – Heat release rate (cone calorimeter method) and smoke production rate (dynamic measurement)
| Published By | Publication Date | Number of Pages |
| BSI | 2020 | 128 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 66 | National foreword |
| 71 | Foreword |
| 73 | 1 Scope 2 Normative references 3 Terms and definitions |
| 75 | 4 Symbols |
| 76 | 5 Principle |
| 77 | 6 Apparatus 6.1 General 6.2 Cone-shaped radiant electrical heater 6.3 Radiation shield 6.4 Irradiance control 6.5 Weighing device |
| 78 | 6.6 Specimen holder 6.7 Retainer frame 6.8 Exhaust gas system with flow measuring instrumentation 6.9 Gas sampling apparatus |
| 79 | 6.10 Ignition circuit 6.11 Ignition timer 6.12 Oxygen analyser 6.13 Heat flux meters 6.14 Calibration burner |
| 80 | 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 |
| 81 | 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 |
| 82 | 7.6 Materials that require testing under compression 8 Specimen construction and preparation 8.1 Specimens |
| 83 | 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 |
| 84 | 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 |
| 85 | 10.1.6 Oxygen analyser output noise and drift 10.1.7 Effect of side screens |
| 86 | 10.2 Operating calibrations 10.2.1 General 10.2.2 Weighing device accuracy 10.2.3 Oxygen analyser |
| 87 | 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 |
| 88 | 10.4.3 Accuracy of calibration burner flow meter 11 Test procedure 11.1 General precautions 11.2 Initial preparation |
| 89 | 11.3 Procedure |
| 90 | 12 Calculations 12.1 General 12.2 Calibration constant for oxygen consumption analysis 12.3 Heat release rate |
| 91 | 12.4 Exhaust duct flow rate 12.5 Mass loss rate |
| 92 | 12.6 Smoke obscuration 13 Test report |
| 103 | Annex A(informative) Commentary and guidance notes for operators |
| 108 | Annex B(informative) Supplementary calculations — Normalization to the mass loss rate of the specific extinction area of specimen |
| 110 | Annex C(informative) Resolution, precision and bias |
| 116 | Annex D(informative) Mass loss rate and effective heat of combustion |
| 117 | Annex E(informative) Testing in the vertical orientation |
| 120 | Annex F(informative) Calibration of the working heat flux meter |
| 121 | Annex G(informative) Calculation of heat release with additional gas analysis |
| 125 | Annex H(informative) Calculation of Effective Critical Heat Flux for Ignition |
| 126 | Bibliography |
