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gluing of Al and PC

gluing of Al and PC

gluing of Al and PC

(OP)
I need to glue a flat aluminum plate on an injection molded PC-Poly Carbonate- preferable with a double sided tape. The requirement is 70°C and 90%humidity.
I did tests with a NITO 5015 tape but as the PC-plastic isn't really flat the Al-plate comes loose on the corners, because of the stiffness of the Al-plate.
Question; do you know a double-sided tape that could withstand the Temp. and fog. requirements?

RE: gluing of Al and PC

Part of the problem you are having with tape is that almost all tapes are made with Pressure Sensitive Adhesive.  As a general rule most PSA's don't have a high heat tolerance.  If you are seeking a permanent bond, use a moisture cure urethane.  The humidity will not affect it (other than causing it to cure faster).  It comes in a caulk tube for easy application.

John Schrock
www.glubie.com

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