Specifications
Grade:4N Grade,99.99% minimum purity 
5N Grade,99.999% minimum purity 
6N Grade,99.9999% minimum purity
High Purity Copper Ingot
Grade:4N Grade,99.99% minimum purity
5N Grade,99.999% minimum purity
Form:Cast Ingots
Ø100mm~Ø200mm. Dimensions:100to200(±1.27mm)diameter. The actual required diameter will be specified by purchase order.
4N 5N 6N
* ≤100ppm ≤10ppm ≤1ppm GDMS
Ag,Al,As,Au,B,Ba,Bi,Ca,Cd,Co,Cr,Fe,Ga,Ge,K,Li,Mg,Mn,Mo,Na,Nb,Ni,P,Pb,Sb,Si,Sn,Th,Ti,U,V,W,Zn,Zr
Na,K<0.1ppm
U,Th<1ppb
C ≤5ppm ≤5ppm ≤5ppm LECO
H ≤1ppm ≤1ppm ≤1ppm LECO
N ≤1ppm ≤1ppm ≤1ppm LECO
O ≤3ppm ≤3ppm ≤3ppm LECO
S ≤5ppm ≤5ppm ≤0.5ppm GDMS