Milestone offers Cast Iron Powder. Milestone manufactures Cast Iron Powder, Concrete Hardener, Vat Dyes, Hollow Sections, Stainless Steel Tubes, and Stainless Steel Hollow Sections. The Cast Iron Powder is available with Melting point of 1535 degree C. The Cast Iron Powder comes with a Specific Gravity of 7.87. The Cast Iron Powder is available with the Molecular Wt. Of 55.85. The Cast Iron Powder is insoluble in water.