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ISO 14900:2017

Plastics — Polyols for use in the production of polyurethane — Determination of hydroxyl number

Standard Details

ISO 14900:2017 specifies two methods for the measurement of the hydroxyl number of polyols used as polyurethane raw materials. It is necessary to know the hydroxyl content of polyols 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 may 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.

General Information

Status : WITHDRAWN
Standard Type: Main
Document No: ISO 14900:2017
Document Year: 2017
Pages: 12
Edition: 2

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ISO 14900:2017
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