Wax Mould Of Precision Casting
Usually investment casting including lost wax casting and Silica sol casting，raw material of these two casting process is casting iron, casting steel and similar ferrous metal ，but there are more difference between lost wax casting and Silica sol casting,see following:
| lost wax casting | Silica sol casting | |
|---|---|---|
| Casting wax equipment | Pneumatic equipment | Hydraulic equipment |
| Raw material of wax | Homebred wax | Imported wax |
| Raw material of sand mold | Silica sand | Zircon sand |
| Dewaxing equipment | Melting wax by 100℃ water | Melting wax by vacuum oven |