1,high quality and competitive price 2,shortest delivery time 3,good service 4,Sample can be ... :2003 GOST 3640-791.zinc ingot 99.99% 99.995% 2.purity: 99.995 or 99.995% 3.bright color and ... .weight: 20kgs/pcProperties: Zinc is bluish shiny silver metal, hardness 2.5, pure zinc malleable, containing a small amount of impurities ...