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BS EN ISO 182-3:2023

BS EN ISO 182-3:2023

$142.49

Plastics. Determination of the tendency of compounds and products based on vinyl chloride homopolymers and copolymers to evolve hydrogen chloride and any other acidic products at elevated temperatures – Conductometric method

Published By Publication Date Number of Pages
BSI 2023 26
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The principle of the method is maintaining a test portion of the PVC at an agreed temperature in a nitrogen gas stream, absorbing the hydrogen chloride evolved in a given amount of demineralized water, and potentiometrically determining the amount of hydrogen chloride evolved in relation to the recorded change in conductivity of the water. The method is recommended for compounded PVC materials and products only, although it can be used for polymers in powder form under appropriate conditions.

PDF Catalog

PDF Pages PDF Title
2 undefined
13 7.1 General
7.2 PVC plastisols
7.3 PVC pellets, extrudates, mouldings, thick sheet, etc.
7.4 PVC film and sheet
7.5 PVC coatings
7.6 Cable and conductor insulation or sheating
14 10.1 Preparation of test portion
10.2 Preliminary operations
10.3 Special precautions when using dehydrochlorination cell A
10.4 Preparation of the measurement cell
15 10.5 Decomposition of the test portion
13.1 General
16 13.2 Repeatability
13.3 Reproducibility
13.4 Comparison with the pH-meter method (ISO 182-2)
13.5 Factors affecting the stability time
19 13.6 Conclusions

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BS EN ISO 182-3:2023
$142.49