silica sand for metal casting_silica sand for metal casting

2) The wax liquid of the pouring system is generally recycled wax liquid. When using A1 mandrel to hang the wax, the temperature of the wax liquid should be controlled at 50±5℃. The thickness of each layer is 3~4mm (according to the process documents when special requirements are required), and then put it in water to cool. The wax immersion time depends on the thickness. The cold water tank should be mixed with a washing powder aqueous solution with a concentration of 0.5% to 0.8%.