ISO 25761:2014

Current Revision
Plastics - Polyols for use in the production of polyurethanes - Determination of basicity (total amine value), expressed as percent nitrogen

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ISO 25761:2014

Plastics - Polyols for use in the production of polyurethanes - Determination of basicity (total amine value), expressed as percent nitrogen

PUBLISH DATE 2014
ISO 25761:2014

The method specified in ISO 25761:2014 measures the basic constituents in polyols that are soluble in glacial acetic acid and reactive with perchloric acid.

Samples containing 0.3% to 10% of nitrogen have been evaluated by this method.

The method is applicable to amine-based polyols, polyether polyols, and polyether polyol blends that are used in polyurethane reactions.

The results are measures of batch-to-batch uniformity and may be used to estimate reactivity in polyurethane reactions.

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