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Topic: manufacturing of abrasive sponges  (Read 3018 times)

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Offline student77

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manufacturing of abrasive sponges
« on: May 21, 2012, 09:44:31 AM »
HI ! Does anybody knows method of manufacturing abrasive sponges ?

I am interested in - how abrasive grains ( Aluminium oxide or Silicium carbide) and phenolic resin are applied on foam.

Thanks! :)

Offline fledarmus

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Re: manufacturing of abrasive sponges
« Reply #1 on: May 21, 2012, 09:59:38 AM »
This is a polyurethane rather than a phenolic resin, but maybe it will help answer some of your questions:

http://www.freepatentsonline.com/4264337.pdf

If not, this has been a relatively active area for patenting. Google patent, the WIPO site, or freepatentsonline should give you a lot of things to look at.

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