<P> Tin foil, also spelled tinfoil, is a thin foil made of tin . Actual tin foil was superseded after World War II by cheaper and more durable aluminium foil, which is still referred to as "tinfoil" in many regions . </P> <P> Foil made from a thin leaf of tin was commercially available before its aluminium counterpart . In the late 19th century and early 20th century, tin foil was in common use, and some people continue to refer to the new product by the name of the old one . Tin foil is stiffer than aluminium foil . It tends to give a slight tin taste to food wrapped in it, which is a major reason it has largely been replaced by aluminium and other materials for wrapping food . </P>

When was tin foil replaced by aluminum foil