... ,Forklift,Mining,Machinery Steel Casting,Stainless steel Casting,Investment Casting 1) Molding process: Loss wax investment casting,Sodium Silicate Technology,Colloidal Silica 2) Material: Carbon steel, Alloy steel, Stainless steel, Brass, Gray ... .7) Wall thickness requirements: Chinese lost wax min 1.5mm, wide/length max, 800mm, Japanese loss wax min.0.5mm, outside dia max ...