CYA adhesives are pretty much all alike to the extent that one brand of gel type, or thin, or gap filling, will be fairly consistent in their performance between brands.

"Zap" brand marketed here in the US is of good quality, and has several different types available. http://www.zapglue.com/ They have a distributor in Canada also.

You might also try. "Tower Hobbies". They're Chicago based, and the site announces they ship internationally....http://www.towerhobbies.com/