Exotic material

Exotic Materials can include plastics, superalloys, semiconductors, superconductors, and ceramics.^[1]

Exotic metals and alloys

Examples of metals and alloys that can be exotic:
Aluminum
Nickel
Chromium
Cobolt
Copper
Hastelloy
Haynes
Inconel
Mercury (element) (aka quicksilver, hydrargyrum)
Molybdenum
Monel
Platinum
Stainless steel
Tantalum
Titanium
Tungsten or Wolframite
Waspaloy

Notes