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Thread: Can I ask a favor of someone that has some shellac?

  1. #1
    Join Date
    Nov 2006
    Location
    NE Ohio
    Posts
    6,978

    Can I ask a favor of someone that has some shellac?

    Hello,
    I'd like to use shellac to "glue" some pine pieces to some hardboard.
    Normally, I'd use varnish or enamel, but I'd prefer to have something that sets up a lot quicker.

    If, next time you run some shellac on a project, glob a bit on some hardboard and a piece of pine &/or birch plywood and stick them together, I'd really appreciate it. No clamping or anything fancy. maybe just set a weight on top or something else simple.
    Then after it's setup for a while - maybe overnight if it's not too much trouble - pull them apart and let me know how well they hold.

    TIA.
    (It'll save me having to buy a quart of shellac to experiment with)


    In case you're curious. I'm planning on building the folding table from Shop Notes. They use "I-beams" made of 3/4" plywood & hardboard as supports for the top. The instructions call for the beams to be glued to the underside of the top.
    I'd like to pre-make a bunch of the beams to use for other things and give them a protective coat of something. Since shellac dissolves shellac, I was thinking it would be ideal, since normal glue doesn't hold too well on a finished piece.
    The adhesive bond between the beam and the top, for the most part, does not need to be all that great.
    My granddad always said, :As one door closes, another opens".
    Wonderful man, terrible cabinet maker...

  2. #2
    Join Date
    Mar 2003
    Location
    SE PA - Central Bucks County
    Posts
    65,675
    The bond is going to be minimal and Shellac under normal use conditions is very thin. Even if it "sticks" it's not going to give you any kind of structural strength and will likely break free if knocked sharply.
    --

    The most expensive tool is the one you buy "cheaply" and often...

  3. #3
    Join Date
    Feb 2003
    Location
    Shoreline, CT
    Posts
    2,923
    I'd put tape over the potential bonding surface before pre-finishing the I-beams. Then, after removing the tape, you can use hide glue to attach to the hardboard by merely rubbing them in place--no clamping needed.

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