|
Items
|
ZnSO4.H2O Powder
|
ZnSO4.H2O Granular
|
ZnSO4.7H2O
|
|||
|
Appearance
|
White Powder
|
White Granular
|
White Crysta
|
|||
|
Zn%min
|
35
|
35.5
|
33
|
30
|
25
|
21.5
|
|
As
|
5ppm max
|
|||||
|
Pb
|
10ppm max
|
|||||
|
Cd
|
10ppm max
|
|||||
|
PH Value
|
4
|
|||||
|
Size
|
--
|
1-2mm 2-4mm 2-5mm
|
--
|
|||
Hebei Yaosheng Import & Export Trading Co., Ltd. is a professional production of Chemical Products. The company was established in 2000, the company actively explore overseas markets. The products are mainly exported to North America, South USA, Europe, Australia, the Middle East, Southeast Asia Africa, etc..