Sulfuric Acid(Sulphuric Acid)

Sulfuric(Sulphuric in England) acid is an acid, that can eat through anything. Only teflon plastic can hold this, and this is used as a cleaning agent. 
Major uses
Many factories all use this. The reason is, that they use this to clean teflon. It is pretty simple to find it, because it makes up water bottles that are plastic. The chemical’s name is H2SO4.