... investment casting,Sodium Silicate Technology,Colloidal Silica 2) Material: Carbon steel, Alloy steel, Stainless steel, Brass, Gray iron, Aluminum, Ductile Iron 3) Molding: ... Weight range: Chinese loss wax from 0.01-100kg, Japanese loss wax from 0.001-80kg.7) Wall thickness requirements: ... .5mm, wide/length max, 800mm, Japanese loss wax min.0.5mm, outside dia max. 1000*620*3808) Representative Product: ...