This included everything from epoxy to wood glue and various adhesives for plastics TL;DR: Some superglues seem to weaken PETG, and a construction polyurethane glue is the absolute winner.
The thin superglue part got up to 58 kg. Viscous superglue didn’t do much better than the thin glue. Since the epoxy cracked before the plastic, there wasn’t much difference and in one ...