2        Zn(by dry basis) %   ≥    99.7

3        hardware(Zn) %     ≥    none

4        lead oxide( lead) %   ≤   0.037

5        hydrochloric acid insoluble%≤0.006

6        reduction burning%        ≤       0.2

7        sieve45um%          ≤    0.1

8       solution          ≤    0.1

9       105volatile%    ≤    0.3

Apply to painting, high-grade coatings, catalysts, steel-steeltires, large projects tires, latex gloves, special Cots pharmaceuticals, ceramics and other industries.