Originally Posted by 2_i

Thanks. I did not know about the bicarbonate. The superglue system I have been most often using recently is the GlueSmith one and it comes with an accelerant so effective that smoke, heat and sparks can come out when the glue meets the accelerant. The accelerant there is some carbohydrate liquid.

On that note, further, glues have appeared in retail, called polyolefin bonders, that bond to the so-called inert plastics like polyethylene and can be stronger than superglue, but gain full strength over prolonged time. One is Loctite 1677288 and another Permabond TA4610 (Chem-Set 6110). They are expensive but you can use them to extend life of expensive products that you would otherwise need to replace. The guns and mixing nozzles for the cartridges, inside which they come in, are cheap provided you get no-name ones.