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post #15 of Old 10-24-2017
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Re: Large Blister on Oday 31 Rudder

Originally Posted by eherlihy View Post
Perhaps you could elaborate on the simple chemistry involved... My knowledge is limited to what I have researched at the Foss Foam website, and my experience.

Quoting from the Foss Foam website; Rudder Care |

Further; Ethylene Glycol - Boiling, Water, Car, and Carbon - JRank Articles
Your first reference is kind of curious in that it says solvents will not harm the "rudder blade". It make no reference to the foam.

Your second reference clearly states that ethylene glycol is a solvent !

Suggest you try another search "polyurethane foam dissolve ethylene glycol"

The hysterical laughter you hear as you drive a way in your"new" boat ..... is the seller.
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