| Color: | White or Light Yellow |
|---|---|
| Grade: | High |
| Transport Package: | 25kg/Bag or Customizable |
| Specification: | 600/3000mesh customizable |
| Trademark: | DERUNHUABANG |
| Origin: | China, Hebei |
| Samples: |
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| Customization: |
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Audited Supplier China Wholesale Nano Grade Biological Efficacy Negative Ion Tourmaline Powder
Negative ion powder is a general term for powder materials that can generate negative air ions. Anion powder is usually composed of rare earth elements, tourmaline powder and other substances.Anion is an active substance, unstable, short-lived, unable to be purified, and lacks quantitative standards. At the same time, there is still a lack of air negative oxygen ion reference materials that can be quantified. Further research and development of corresponding technologies are needed.
Powder
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Audited Supplier 
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