Pure copper scrap 99.99% 1.Copper opper e,etc 3.High quality:99% Copper Scrap 99% High-quality cable scrap with almost no impurities Single Crystal Copper pper scrap 2.Good fatigue/abrasion/corrosion resistance 3.Be the bearing,switch,frame High conductivity and thermal conductivity levels, good plastic, easy to hot and cold pressure processing.