B116 medium balloon molds are used for mold center bore cavities between 12 – 29 mm in diameter. They are used with IMM induction heating modules. Each B116 is a complete mold set, which includes the mold center, 2 end plugs, 2 end caps, and spacer. The mold centers are made from Moldstar 90 and the end plugs are made from Moldstar 150 high-conductivity copper alloy.