Not all PVA has creep (the modified D4 PVA glues are more prone to creep but not all) I would agree with Doug B that a urea resin is a good alternative. If you are sticking with PVA then I would suggest trying Everbuild 502 as an alternative to tightbond 3. It is stated that Everbuild 502 can be used as a structural glue Tightbond 3 states it can not, apart from that, they seem to conform the the same standards.Your best bet is a urea resin glue such as :-
https://restorate.co.uk/products/ur...wQThsYXy8mysQgjJvwdOrx-hhMIVJqwNMBQjpd8nkd92M
PVA’s can lead to creep with the joints moving, don’t take my word for it CHJ who sadly doesn’t post anymore was a prolific segmented turner, here is a post of his to someone struggling with movement in PVA joints.
https://www.ukworkshop.co.uk/threads/turning-joints-no-longer-seamless.123086/#post-1359939
The second link I posted above was a thread on here from a chap experiencing creep after gluing up with 502 on a turned pieceNot all PVA has creep (the modified D4 PVA glues are more prone to creep but not all) I would agree with Doug B that a urea resin is a good alternative. If you are sticking with PVA then I would suggest trying Everbuild 502 as an alternative to tightbond 3. It is stated that Everbuild 502 can be used as a structural glue Tightbond 3 states it can not, apart from that, they seem to conform the the same standards.
The second link I posted above was a thread on here from a chap experiencing creep after gluing up with 502 on a turned piece