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BS ISO 23948:2023

BS ISO 23948:2023

$102.76

Plastics. Intumescence properties of PVC materials and products. Test method for the measurement of expansion with the cone calorimeter

Published By Publication Date Number of Pages
BSI 2023 22
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PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 Symbols
5 Principle
6 Test equipment
6.1 General
11 6.2 Cone-shaped radiant electrical heater
12 6.3 Heat flux control
6.4 Specimen holder
13 6.5 Heat flux meter
6.6 Fume hood and exhaust duct
6.7 Dimensional measuring devices
14 7 Suitability of a product for testing
8 Preparation of the test specimen
8.1 Test specimens
8.2 Conditioning of specimens
9 Test environment
15 10 Calibration
10.1 Heat flux meter
10.2 Conical heater
10.3 Timer
10.4 Dimensional measurement devices
11 Test procedure
11.1 General precautions
11.2 Specimen thickness
16 11.3 Initial preparation
11.4 Determination of exposure duration
11.5 Determination of the expansion rate
17 12 Test report
18 Annex A (informative) Guidance for the determination of the overall final thickness
20 Bibliography

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BS ISO 23948:2023
$102.76