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BSI 23/30430975 DC 2023

BSI 23/30430975 DC 2023

$13.70

BS EN ISO 13927 Plastics. Simple heat release test using a conical radiant heater and a thermopile detector

Published By Publication Date Number of Pages
BSI 2023 32
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PDF Catalog

PDF Pages PDF Title
1 30430975-NC.pdf
3 ISO_DIS 13927 ed.3 – id.82203 Enquiry PDF (en).pdf
7 Foreword
8 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 Symbols
5 Principle
6 Apparatus
6.1 General
12 6.2 Cone-shaped radiant electrical heater
6.3 Heat flux controller
13 6.4 Chimney and Thermopiles
6.5 Specimen holder
6.6 Retainer frame
15 6.7 Fume extraction system
6.8 Ignition circuit
16 6.9 Ignition timer
6.10 Heat flux meter
6.11 Calibration burner
6.12 Data collection system
17 7 Suitability of a product for testing
7.1 Surface characteristics
18 7.2 Asymmetrical products
7.3 Thin materials
7.4 Composite specimens
7.5 Dimensionally unstable materials
19 7.6 Materials that require testing under compression
8 Specimen construction and preparation
8.1 Specimens
20 8.2 Conditioning of specimens
8.3 Preparation
8.3.1 Specimen wrapping
21 8.3.2 Specimen preparation
8.3.3 Preparing specimens of materials that require testing under compression
22 9 Calibration
9.1 Heater calibration
9.2 Thermopile calibration
9.2.1 General
9.2.2 Initial calibration
9.2.3 Daily calibration
23 10 Test procedure
10.1 General precautions
10.2 Initial preparation
10.3 Procedure
24 11 Precision
12 Test report
26 Annex€A (normative) Calibration of the heat flux meter
27 Annex€B (informative) Guidance notes for operators
28 Annex€C (informative) Guidance on measuring mass loss during testing
29 Annex€D (informative) An example of thermopile calibration
31 Annex€E (informative) Calculation of effective critical heat flux for ignition
32 Bibliography

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BSI 23/30430975 DC 2023
$13.70