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  1. #1

    Default Using wet and dry paper (a Q for Neil)

    I have recently been using wet and dry paper with soapy water to sand a polyurethane finish (yes I know I shouldn't use polyurethane but it suits the purpose, just this once). I have been following the instructions in The Great Book but even after a good clean the sludge is left as a coating when the piece dries. The only way I have been able to solve this is to go back and sand dry which seems to defeat the purpose of using wet and dry. The finish is just a described in the bood but I seem to have added an unnecessary step. Any advice would be appreciated.

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  3. #2
    Join Date
    Nov 2004
    Location
    Port Pirie SA
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    52
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    6,908

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    Clean soapy water should remove it. It will allways dry with a haze which can look like dry sludge.
    ....................................................................

  4. #3
    Join Date
    Dec 2001
    Location
    Between a rock & a hard place (vic)
    Posts
    898

    Wink

    I was going to answer, but seeing as the question was only directed at Neill, I'll leave it to him.....

  5. #4
    Join Date
    May 1999
    Location
    Tooradin,Victoria,Australia
    Age
    73
    Posts
    11,918

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    You could be waiting a little while for Neil.

    He is in the throes of moving both house and business.

  6. #5
    Join Date
    Apr 2002
    Location
    Brisbane
    Posts
    5,773

    Default

    I have used the same method in the past & have found that I needed a second bucket with clean water and a rag to wipe down with.
    I gave up on that method when one day, I impatiently had at the job with the ROS & some fine sterate coated paper I found tha I got the result faster.
    One point is that whatever you do You must wait for the poly to harden off enough. So the best you can hope for is one coat a day, in cold weather It might take more than 24 hours for the poly to go off properly.
    cheers
    Any thing with sharp teeth eats meat.
    Most powertools have sharp teeth.
    People are made of meat.
    Abrasives can be just as dangerous as a blade.....and 10 times more painfull.

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