Both the processes involves pouring of molten metal into a mold/die which will take the shape of cavity mold or die on solidification. The basic difference between moulding and casting is the method by which molten metal is poured. In moulding the metal is poured under pressure...What is flexible molding?
Flexible molding is made from a compound polymer resin, which allows it to be moved and bent without splintering. Depending on your need; you can choose from grades that are quite flexible to others which are more rigid.