Drainage Sand is used in the bottom of ladle.The main specifications of this kind of productions are silica based,magnesia based,chromium based and magnesia olivine based,which can be chosen by the clients.

• 引流砂是钢包底部水口填充散状料，主要品种有硅质、镁质、铬质和镁橄榄石质等可供客户选用。