ISO 17190-4:2020 View larger

ISO 17190-4:2020

M00003976

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ISO 17190-4:2020 Urine-absorbing aids for incontinence - Polyacrylate superabsorbent powders - Part 4: Test method for estimation of the moisture content as weight loss upon heating

standard by International Organization for Standardization, 11/01/2020

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ISO 17190-4:2020 provides a test method for the evaluation of mass loss upon heating for cross-linked polyacrylate superabsorbent powders.

This method is applicable to powdered polymeric superabsorbent materials that are free-flowing under the specified test conditions. Substances other than water that are volatile in this temperature range will interfere. The onus is on the polymer formulator/producer to decide if such interference is possible and either exclude the method from use, provide an alternative or modify the method accordingly.