Around 1960 a new process for flat-glass manufacture has been introduced - the float glass process. Therefore the name of float glass (=flat glass). The float glass process has found worldwide application for the production of glass for construction work. A sensitive process - basic material is melting by high temperature, tough material is "floating" over tin bath and cool down very slowly.
Flat glass is a glass shaped into disks. For example it can be used as window glass as a precursor for mirror and automotive glass. Float glass is further processed to insulation glass, safety glass or other products.It is the foundation for all kind of glass panes.