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sklademVydáno: 2020-09-18
BS EN ISO 4629-3:2020
Binders for paints and varnishes. Determination of hydroxyl value Rapid test
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| Označení normy: | BS EN ISO 4629-3:2020 |
| Počet stran: | 14 |
| Vydáno: | 2020-09-18 |
| ISBN: | 978 0 539 12786 7 |
| Status: | Corrigendum |
Popis
BS EN ISO 4629-3:2020
This standard BS EN ISO 4629-3:2020 Binders for paints and varnishes. Determination of hydroxyl value is classified in these ICS categories:
- 87.060.20 Binders
This document specifies a titrimetric method for determining the hydroxyl groups in resins and binders for paints and varnishes.
This method is primarily suitable for neutral media. Acidic products provide higher values; neutral products provide, through neutralization of the acidic carbamates, lower values. For these products, preliminary tests are performed to ensure the applicability of the method.