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From
Qingdao,
Shandong,
China
From
Qingdao,
Shandong,
China
Nanometer Zinc Oxide 95%:
ZnO: 95%min
Lead oxide: 0.0002%max
Mn: 0.0005%max
Cu: 0.0003%max
Loss on Ignition: 2.0%max
Water soluble substance: 0.5%max
Particle side: 30nm to 50nm
Surface Area(m2/g): 35 to 60
In 25kg bag.