Bill wrote:

I found something online called Universal repair pack from Five Star
Adhesives in Runcorn, aka Starlok, but their site is out of date and
when I tried to make a Tinyurl, I got a refusal and warning of a spammed
site at

http://www.shop4glue.com

No experience of that product, but have bought polyweld/mekweld from
them in the past, their webshop has been offline for years while they
"move factory" they're they only company I've known to use pay after
delivery ...