Inquiry (采购产品): Black Iron Oxide for Concrete We are looking to purchase enough iron oxide "through & through" a concrete pour measuring 60' x 80' x 8" thick. Please advise as to the quantity needed and the cost including shipping to a concrete mixing facility in Elmira, NY. We are trying to achieve the darkest level of concrete coloring possible. Please send your reply to our work email address at Raymond@Raymondhadley.com. **** Hidden Message ***** Raymond Maratea 14883 Company: The Raymond-Hadley Corp. E-mail: raymond@raymondhadley.com **** Hidden Message ***** raymond@raymondhadley.com