Zincis the element in group
12 and in period 4 on periodic table.
It has the symbol Zn and atomic
number 30, the melting point
419.53℃,boiling point 907℃,density
7.134g/㎤. It is an essential mineral
of human body, excretes the toxic
metals in the human body and also
plays an important role of our lives.
Zinc alloy die castingmolten at
lower temperature offers high
speed casting and low energy cost.