Specification: for copper mill berry wire scrap ISRI Code Copper No.1 - Mill berry, Berry . Grade 1copper scrap not  mixed with specification C11000 Electrolytic tough pitch Berry Copper  (ETP) Content 99.90%. Scrap copper of 99.90%purity.Chemical Composition:Copper............99.90% (Min.)Lead................0.005%  (Max.)Bismuth............0.001% (Max.)Total impurities.........0.03%  (Max.)excluding Ag & Oxygen Standard Conforming to:(C11000 (ETP)  Content 99.90%.)