Yihui Casting Resin Investment Plaster Powder is developed for lost wax investment casting of resin patterns and wax patterns. The powder is fine and uniform with excellent slurry fluidity and controllable expansion. The mold boasts high strength and crack resistance, which can clearly reproduce delicate textures of ornaments. Ideal for vacuum casting of gold,K gold,silver,copper and other precious metals,preferred consumable for mass production and customized casting in jewelry factories.