1. Professional ZnO manufacturer
2. Indirect process
3. Best Zinc oxide 99.8
4. Medical grade
5. Accord with CP BP USP

 

The production process details of our product.The chosen of our raw material.Main material-zinc ingot metal.Main material-coal.The production process.The quality control.

The content to be examined

standard

 The statistics

That should be

The actual statistics

judgement

Zinc oxide %

GB/T3185

>=99.70

99.82

qualified

Insoluble object in the hydrochloric   acid

GB/T3185

<=0.008

0.004

qualified

The object that can volatilize

GB/T3185

<=0.3

0.1

qualified

Cd %

GB/T3185

<=0.0008

0.0002

qualified

Lead oxide

GB/T3185

<=0.008

0.0028

qualified

Arsenic %

GB/T3185

 <=0.0005

0.0002

qualified