Project

Top-quality product

Second produc

Third-class

The zinc oxide (does idea)%&ge

98

95

90

The lead monoxide (counts by Pb %≤)

0.0055

0.05

0.059

Cd(Cd)

0.005

0.004

0.048

As(AS)

0.004

0.0042

0.052

H2O(H2O)

0.2

0.2

0.22