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 Grade1.1.2 Special High Grade1.1.3 High Grade1.1.4 Intermediate Grade1.1.5 Prime Western Grade Note 1 - Certain continuous galvanizing grades are specified in Specification B 852. Other continuous galvanizing and controlled lead grades are not included in this specification but are covered by specific