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Author Topic: Removing polyurethane foam  (Read 596 times)

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Removing polyurethane foam
« on: December 09, 2018, 11:09:59 AM »


    How do I dissolve polyurethane foam (insulation spray)?

     I mean dissolving the cured (solid) foam.

     Thank you!


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Re: Removing polyurethane foam
« Reply #1 on: December 11, 2018, 07:26:37 AM »

Hi Kostas,

Foams are destroyed more quickly than plain polymers, but by the same compounds, so what you need is the compatibility of polyurethane (search keywords). Examples:
essentially, PU is degraded by acids, bases, oxidisers, ketones, alcohols and many more. Acetone would be my first candidate, but this depends also on the materials you want to keep.

Please be careful with explosive or toxic vapours, etc etc.

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