Copper an>grade 1 copper scrap not mixed with specification C11000 Electrolytic tough pitch Berry Copper (ETP) Content 99.9%.Cu%: 99.9%. (%)Copper..99.9... % (Min.)Lead...0.005.... % (Max.)Bismuth...0.5.. % (Max.)Total impurities...0.3.. % (Max.)Copper No. 2 kinds of alloy thout ntaining impurity, contain Copper quantity for 96% (minimum content 94%). Shall not contain excessive lead and tin change of copper of copper, brass and bronze essive oil, prohibition and nonmetal,crisp, burning erly margin of fine copper and excessive sexual yarn. Need appropriate means to remove dirt. Birch Shall consist of clean, untinned, uncoated, unalloyedcopper , not smaller than No. 16 B & See of burnt brittle