MnFlakes 加入时间：2005-07-07 8:29:24 浏览次数：11922 　 electrolytic manganese metal flakes Spec: Mn 99.7%min, S 0.05%max, P 0.005%max, C 0.04%max, Fe+Se+Si 0.205%max Packing: in big bags or in steel drums