Quick Details Place of Origin: Henan, China (Mainland) Shape: Powder Material: Other SiO2 Content (%): 4-12 Al2O3 Content (%): 3-8 MgO Content (%): 1-7 CaO Content (%): 8-40 Refractoriness (Degree): Common (1580°< Refractoriness< 1770°) Brand Name: Topchase Color: Grey Application: Ladle, blast furnace S […] View