... ,fire works, etc.... Quick DetailsClassification: Copper OxideCAS No.: 1317-38-0Other Names: Copper OxideMF: CuOEINECS No.: 215-270-7Place ... state standards used in producing glass,ceramic,fire works, etc.Copper OxideItem Standard I Standard II CuO , % ≥9998Muriatic acid ... ≤ ,% 0.10Residue on sieve (300um ) ,≤ %0.10 2012 hot sale Copper oxide Industrial & Electroplating Grade 99% good manufacturer