6n copper pellets for evaporation materials made in China at the cheap price

1.simple description for copper pellets 99.999% Symbol of element is Cu, atomic number is 29, atomic mass is 63.55, Peripheral electron configuration is 3d104s1 and located in the fourth cycle of IB system. atomic radius is 127.8picometer,Cu2 + radius is 72 picometer,the first of ionization energy is 750kJ/mol, electronegativity is 1.9,commom oxidation number is +1,+2. Density is 8.96g/cm3, melting point is 1083.4±0.2℃, boiling point is 2567℃ 2.Test ways for our copper pellets 99.999% Product Testing Using several kinds of Physical and Chemical Testing for better product quality to make comprehensive judgment,we will test products before deliverying to customers. physical analysis Products`structure, metallographic microstructure, chemical composition,and other sectors are analyzed according to material physical effect chemical assay professional team use chemical apparatus to test constant,trace,and ultratrace of our material. High pure 99.999% 5n single crystal copper pellets made in China from professional factory Our Services 1.Fastest feedback to your inquiry, provide professional advice on products. 2.Sample or trial order is acceptable before bulk ordering. 3.Provide Good quality products with competitive price. 4.Delivery on time. 5.Warm and considerable after-sale service.