1. Professional ZnO manufacturer
2. Indirect process
3. Best Zinc oxide 99.8
4. industrial grade
5. ISO9001:2008 certificate

 

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