Product(WX746L.9) 20V MAKERX HOT GLUE GUN - TOOL ONLYAdhesive bond doesn't work after cooling
(WX746L.9) 20V MAKERX HOT GLUE GUN - TOOL ONLY

Adhesive bond doesn't work after cooling

Try this solution

Roughen adhesive surface slightly and clean it before applying the glue

Possible cause:
Surface is greasy, dirty, or too smooth.