It has become one of the more important casting processes for ferrous and nonferrous metals,…
- May 26, 2021/ Finance
It has
become one of the more important casting processes for ferrous and nonferrous
metals, particularly for the automotive industry. In this process, polystyrene
beads containing 5 to 8% pentane (a volatile hydrocarbon) are placed in a
preheated die that is usually made of aluminum.