J-B WELD Clearweld Clear 5-Min Epoxy Adhesive

The professional's choice for gluing pen tubes into blanks. We also recommend it for prepping our Apollo & Artemis kits. 

ClearWeld™ is a quick setting, multipurpose two part epoxy that provides a strong and lasting bond on most surfaces including tile, most plastics, ceramic, glass, wood and metal. ClearWeld™ is designed to cure with a clear, transparent bond when used at thicknesses of less than 15 mil. ClearWeld™ has a 1:1 mixing ratio, sets in 5 minutes and cures in 1 hour. With a tensile strength of 3900 PSI, ClearWeld™ sets to a hard, permanent bond.