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ISO 14900:2023

Current Revision

Plastics - Polyols for use in the production of polyurethanes - Determination of hydroxyl number

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This document specifies two methods for the measurement of the hydroxyl number of polyols used as polyurethane raw materials.

The hydroxyl content of polyols are determined to properly formulate polyurethane systems. Method A is primarily applicable to readily esterified polyether polyols. It is also intended for polyols which have significant steric hindrance, such as those based on sugars. Method B is intended for polyether polyols, polymer polyols and amine-initiated polyols, but can give low results for sterically hindered polyols. Other polyols can be analysed by these methods if precautions are taken to verify applicability. These methods can be used for research and for quality control and specification purposes.


SDO ISO: International Organization for Standardization
Document Number ISO 14900
Publication Date Not Available
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO/TC 61/SC 12
Publish Date Document Id Type View
Not Available ISO 14900:2023 Revision
Not Available ISO 14900:2017 Revision