Lead free water soluble plumbing flux such as bridgit.
Copper sheet gauge for still.
Is still hand bendable although more difficult and you can still cut the sheet with a pair of hand snips.
It is still rather thin as it would take 100 sheets stacked on top of each other to equal an inch but it is more rigid than the thinner material and at.
10 mil 010 inches thick 30 gauge.
Other companies will sell 36 ga.
Copper sheet 20 gauge 0217 inches thick 24 24 lead free plumbing solder 1 large spool i recommend a cadmium free food safe solder such as stay brite 8 or bridgit.
Some also sell a heavier gauge of copper that is 24 ga.
Or 16 oz which is still thinner than the 20 oz.
This allows the still to be opened for filling.
These sheets are approximately 14 times thicker than household aluminum foil and are twice as thick as 5 mil beginning with the 10 mil the copper is less foil like in appearance and response to pressure.
Copper sheets plates are also noted for their high electrical and thermal conductivity and good corrosion resistance.
Copper sheet 5mil 36 gauge 6 wide x 10 lb.
The donut fits into the larger end of the tapered cap skirt.
Once formed it gets permanently soldered to a cap plate which is a slightly thicker 15 gauge copper donut.
110 copper sheet plate is widely known for its architectural applications whereas the familiar green patina appearance is acheived when exposed to the elements copper sheets and plates have excellent hot or cold workability and is ductile when heated.