الوصف

Theremelted lead ingots that we supply to the customers are assured to becent percent pure. Also, these are assured to be free of any types ofimpurities. These highly durable ingots maintain the set standards ofthe market
Atomic Weight: **7.2
Density: ρ=*1.**1g/cm3
Melting Point: mp: **7.5°C
Boiling Point: bp: ***1°C
Specification:
High Purity Leads:
Pb**5 Grade *9.**9. The content of Leads is above *9.**9%. The total content of Ag, Al, As, Bi, Cd, Cu, Fe, Mg, Ni, Sb, Sn & Zn is bellow *0 ppm;
Uitra Purity Leads:
Pb**6 Grade *9.***9. The content of Leads is above *9.***9%. The total content of Ag, Al, As, Bi, Cd, Cu, Fe, Mg, Ni, Sb, & Sn is bellow 1 ppm;
Uitra High Purity Leads:
Pb**7 Grade *9.***9. The content of Leads is above *9.****9%. The total content of Ag, Al, As, Bi, Cd, Cu, Fe, Mg, Ni, Sb, Sn & Zn is bellow 0.1 ppm;
 Usage:
It is mainly used in the manufacture of compound semiconductors, refrigerating element, infrared photoelectric converting device, high efficient thermoelement and solar etc.