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Heat and UF glue times5/24
I can't give any science on this but we were using UF Glue to bond HPL to plywood using a vacuum bag. We built a small dedicated room and keep it heated to about 80 degrees. We were finding at this temp the pressing time was about 1hr. We never had any fail doing this.
I do the same thing when I use UF glue in a vacuum bag, except I use electric heating blankets. Your method is a lot faster though.
I have thought about building heating platens with copper tubing buried in them, hooked up to a water heater and recirculating pump. That would be a very fast system for flat work but would need to be used with a vacuum press because of the need to pass the water tubes through. I just don't do enough vacuum work to justify the space requirements.
You might want to talk to some specialized IR heater makers to see if they can tune the wavelength for maximum absorption by your cauls or work, or even the UF glue itself if your veneer is thin enough.
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