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  1. 12th March 2013, 09:47 AM #1
    rev
    rev is offline SENIOR MEMBER
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    Default Laminex, formica router bases and templates

    I have some offcuts of laminex and formica that I want to sandwich together (like plywood) to make router bases, router templates, table saw throat inserts etc. up to about 5 or 6 mm thick. I want to use this material because it is doesn't shrink or warp, and I might as well use the scraps I have at hand.

    What glue should I use, remembering that I don't want a 'rubbery' contact glue to clag the router bit when cutting out the shapes I want? Any other tips would also be appreciated.
    Cheers
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  3. 12th March 2013, 10:40 PM #2
    elanjacobs
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    Probably go with epoxy as it sets hard and won't clog the bits up.

    Also, be prepared to send your bit(s) off for a sharpen when you're done; that stuff will make anything short of a diamond-tipped bit cry.
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  4. 14th March 2013, 09:03 AM #3
    rev
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    Thanks for that. I have some Sellys Durabond polyurethane glue at hand. Has anyone used this type of glue for laminex?...how did it go?
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  5. 14th March 2013, 08:35 PM #4
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    malb
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    My limited understanding of polyeurethane glues glues is that they need to draw moisture from one of the surfaces (preferably both) to activate the curing reaction. Laminex etc are non porous and do not provide moisture. Have seen people 'spritzing' one side of a joint in hard dense timbers to get the glue to activate when the joint is closed, but with timber there is some pore structure to retain the moisture, that would be lacking in laminate to laminate bonding, the moisture may actually act as a barrier to bonding.
    I used to be an engineer, I'm not an engineer any more, but on the really good days I can remember when I was.
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  6. 14th March 2013, 09:19 PM #5
    elanjacobs
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    I'd say malb is right; even if the PU will stick to the back of wet Laminex, it definitely won't bond to the face.

    You really need a resin-type glue.
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