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polyethylene glycol peg


philh
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I read a paper on this, found by a general search. The gist being the water in the wood is replaced by PEG ,done by submerging the wood in PEG and warming gently for a long (long) time. The PEG doesn't evaporate like water so the wood is less likely to crack.

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19 minutes ago, MrNick said:

I read a paper on this, found by a general search. The gist being the water in the wood is replaced by PEG ,done by submerging the wood in PEG and warming gently for a long (long) time. The PEG doesn't evaporate like water so the wood is less likely to crack.

Yes it essentially fixes it as green wood, as the cells remain full there is no shrinkage and the wood remains as heavy as green.

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Havent used it myself but it is popular in woodturning circles. One difficulty in using it is getting a finish to adhere to it once the bowl had been turned. Don't know how widely used it is these days but when I started turning it was all the rage about 20 years ago.

 

Mike

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