http://www.diecastdiscountwarehouse.com.au/truck-models/ These Are Used For Alloys Such As Aluminum And Other Alloys With High Melting Points. The Molten Metal Is Poured Into A "Cold Chamber" Manually By A Hand Ladle Or By An Automatic Ladle. A Hydraulically Operated Plunger Seals The Cold Chamber Port And Forces Metal Into The Locked Die At High Pressures.
