Copper is an excellent electrical conductor and most of its uses are based on the fact that it is a good thermal conductor. It can be used for water, waste and gas channels
Thickness: 1.5mm
Length:???? 18ft
Size:???????? 1 inch
Features:

Corrosion Resistance
Good Thermal Conductor
Good Electrical Conductor
Antibacterial
Easily Joined
Ductile
Tough
Non Magnetic
Easy to Alloy