However, if you're looking for a construction adhesive for your intricate woodworking projects, polyurethane may be more trouble than it's worth. Instead, consider sticking to wood-specific glues ...

Liquid Nails provides the strongest adhesion for construction and mixed materials, but wood glue is best when strictly ...

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.