1)Process:Loss wax casting,Sodium Silicate 2)Material:Carbon steel, ... Auto Parts,Casting Part,Hanger Auto Parts,Casting Part,Hanger 1) Molding process: Loss wax investment casting,Sodium Silicate 2) Material ... .001-80kg.7) Wall thickness requirements: Chinese lost wax min 1.5mm, wide/length max, 800mm, Japanese loss wax min.0.5mm ...