Lost Wax Casting
Lost wax casting is mainly used for steel casting , alloy steel casting, stainless steel castings’ making. It can bring better surface quality and dimensions’ precision than sand casting process. The adhesive material for the wax shell’s making is water glass ( Chemical name : Sodium Silicate ). So this process some times can be also named as water glass process. The hardening and drying process of the wax shell need to be aided by adding hardening material.