Chemical Formula: ZnO  

Properties:  

- White fine powder, odorless, insoluble in water, amphoteric (soluble in acid/alkali)  

Photocatalytic activity(UV blocking >90%), Antibacterial (99.2% inhibition on E. coli)  

Grades & Applications:  

| Grade   | Key Applications                                                                |

| Food Grade    | ➤ Nutritional fortifier (zinc supplement, compliant with GB 14880-2012)<br>➤ Antioxidant for rubber stoppers |

| Cosmetic Grade| ➤ Physical sunscreen (broad-spectrum UVA/UVB protection)<br>➤ Acne treatment (oil control & antibacterial) |

| Industrial Grade| ➤ Vulcanization activator for tires<br>➤ Flux in ceramic glazes<br>➤ Varistor for electronics |

Certifications:  

Food Grade: China GB 1903.10-2015, USA FDA 21 CFR §182.8991  

Cosmetic Grade: EU EC 1223/2009 (nano-ZnO requires particle size labeling)  

REACH Registration: 01-2119487612-2