Zinc Shot will not damage soft-alloy cast parts and in most cases,parts need no other cleaning prior to a plating process.Zinc Shot creates less dust than either steel or aluminum abrasives.Provides temporary galvanic protection.A thin film of zinc up to 1.3 microns is deposited onto cast parts which will temporarily protect parts from corrosion.Reusable and recyclable.Does not flash rust or red rust during storage.No premature breakdown or flaking.Will not cause excessive wear and tear on finishing equipment.