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I am gluing three layers of 3/4 inch MDF together for my woork bench top. Should I use white, yellow, or polyurethane glue? Can I get by with contact cement?
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Replies
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White or Yellow glue will work great. Once it cures you will never get it apart. There's no need to mess with contact cement or poly glue.
Regards Greg
*yes, yes, no.no.
*I've used yellow glue to put MDF together and I do believe it would take area weapons to get them apart.I have not tried it but I have read that white glue will do just as good a job but it takes much longer to set up thus giving a longer working time for large areas.
*I made my bench out of mdf and used contact cement worked well and I have a very solid bench
*I used white glue to bond 2, 1" sheets of MDF - also for a bench top. The result is a flat, heavy and stable top that also won't cost the earth to replace if (when!) I damage it.With hindsight, I would also have fixed with screws from below - but only to achieve an even clamping pressure.
*I was told when I wondered this very same question, "treat MDF just like wood...use yellow glue."I visited a cabinet/furniture shop here in Phoenix and almost all custom painted furniture they constructed was made from mdf. They even distressed it and made it look like antiques with museum-quality finishes. The stuff is great, a bit messy and dusty, but inexpensive and very versatile. I'm redooing all my trim in my house and will mold my own from mdf.
*Let me tell you a story. Friend built a router table using two thinknesses of MDF laminated with yellow glue. It was never flat and he came to me to build a new top. I used two thicknesses of MDF using solvent based contact cement after talking to a large custom builder of kitchens and countertops in banks and such. The new top was rimmed in solid maple then laminated both sides with formica. It was and still is dead flat.Now the good part. I had his old table and in order to dispose of it, I sawed it down the center. To my surprise, the yellow glue was still liquid in the center and the MDF was swollen from the moisture. That's why it didn't stay flat. The kitchen builder said that particle board and MDF are so dense that the oxygen required to cure PVA can not migrate to the glue. He said that he knows of no professional countertop builder who uses anything but solvent based contact cement. Good enough for me.
*Howard: Thanks for the info on contact cement and mdf. I'll pass it on to my "yellow glue" guy.
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