No idea what you are actually making. No doubt methyl methacrylate monomer is available somewhere? With hardener it will dissolve the surface so act like a solvent glue as used by plumbers. Probably rough brass (or even thread it?). We used it for ‘welding together’ radioactive sources, back 50 years ago. They were not expected to leak.🙂
Edited By not done it yet on 07/02/2021 22:25:36