JB Weld and Superglue didn't work because they don't bond the materials you're looking to bond, and/or you didn't prep the surfaces well enough
I can name a dozen adhesives off the top of my head from 3M products for aerospace that you won't find at Home Depot, to Elmer's glue
How about you describe what you've tried, and how you did it, and maybe that will give us a clue as to where you're going wrong
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