Basic Info.

Product Description

Rose at hzzcmetal doc com product description 1, physical character: atomic weight: 207.2 density: ? =11.341g/cm3 melting point: mp: 327.5° c boiling point: bp: 1751° c 2, specification: high purity leads: pb-05 grade 99.999. the content of leads is above 99.999%. the total content of ag, al, as, bi, cd, cu, fe, mg, ni, sb, sn & zn is bellow 10 ppm; uitra purity leads: pb-06 grade 99.9999. the content of leads is above 99.9999%. the total content of ag, al, as, bi, cd, cu, fe, mg, ni, sb, & sn is bellow 1 ppm; uitra high purity leads: pb-07 grade 99.9999. the content of leads is above 99.99999%. the total content of ag, al, as, bi, cd, cu, fe, mg, ni, sb, sn & zn is bellow 0.1 ppm; 3, physical size: virgulate, ingots. 4, usage: it is mainly used in the manufacture of compound semiconductors, refrigerating element, infrared photoelectric converting device, high efficient thermoelement and solar etc. 5, packing: it is packed with dacron film, then covered with a sealed plastic film bag or vacuum sealed in a glass ampule. weight: 24.0-25.0kg/pcs package: 1mt/pallet, or as customer's requirements. elements symbol composition in % antimony sb 0.001 (max) arsenic as 0.001 (max) tin sn 0.001 (max) copper cu 0.001 (max) bismuth bi 0.025 (max) iron fe 0.001 (max) nickel ni 0.001 (max) silver ag 0.003 (max) zinc zn 0.001 (max) calcium ca 0.0005 (max) sulphur s 0.0005 (max) aluminum al 0.0005 (max) selenium se 0.0005 (max) cadmium cd 0.0005 (max) tellurium te 0.0010 (max) lead pb 99.970 (min)