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Why is Ester based polyurethane not recommended for aqueous solutions?
The two basic formulations of urethane, ester and ether, have some important differences. Water attacks ester-based urethane, causing a significant reduction in physical properties. Ether urethanes exhibit far superior hydrolytic stability, especially in humid environments. Ether-based materials also resist fungus growth better than ester-based materials.
Title: Why is Ester based polyurethane not recommended for aqueous solutions?
Description: Why you need ether based polyurethane if you are transferring a solution that contains water.
Last Edited: 9/18/2013
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