Contact NowHigh Effective Foundry Slag Remover And Dregs Remover And Deslagging Agent And Slag Coagulant For Iron-castingQuick Details Place of Origin: Henan, China (Mainland) Brand Name: Topchase Size: 0-8mm Application: Foundry for iron/steel making SiO2 Content (%): 63-74% Fe2O3 Content (%): 0.1-2% Al2O3 Content (%): 12-16% MgO Content (%): 0.3% CaO Content (%): 0.15-1.5% K2O Content (%): 1-4% Na2O Content (%): 4-5% Loss On Ignition: 4-8% Expanded Or Not: Expanded color: GrayRead More