Scotch-Weld accelerators for cyanoacrylates adhesives enhance cure speeds on porous and acidic surfaces, & difficult to bond polyethylene & polypropylene.
Try 3M Rite-Lok AC649 if you are using Loctite 7649
3M Scotch-Weld gasket makers create formed-in-place gaskets on flanges and housings, eliminates the need for large inventories of pre-cut gaskets.
Scotch-Weld retaining compounds are used in the assembly of coaxial components such as bearings, gears, shafts bushes, pulleys, cylinder liners and rotors.