... : Remove micro content of Al, Sb, Cu and Bi,Pb. High Quality China Calcium Al Alloy SpecificationsA: In Metallurgical IndustryB: As reducing ... : Ca: 98.5%min, Mg: 0.5%max, Cu: 0.005%max, Fe: 0.05%max, Ni: 0.0005%max, Mn: 0.05%max, Al: 0 ... : Ca: 98.5%min, Mg: 0.5%max, Cu: 0.005%max, Fe: 0.05%max, Ni: 0.0005%max, Mn: 0.05%max, Al: 0 ...