1.1 This specification covers zinc metal made from ore or other material by a process of distillation or by electrolysis in five grades as follows: 1.1.1 LME Grade 1.1.2 Special High Gra This specification covers zinc metal made from ore or other material by a process of distillation or by electrolysis in five grades as follows: LME grade, special high grade, high grade, intermediate grade, and prime western grade. The zinc metal shall