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Nano zinc oxide with a variety of features owned excellent resistance to antibacterial properties, anti-fungal properties, UV resistance but also had the functions of far-infrared emission, cured flavor deodorant, improve and prevent skin allergies, germinal hair care. In the anti-ultraviolet function, it had the following characteristics. Firstly to provide effective protection UVA and UVB of whole band to make up the defects for only protect wave (UVB) of sunscreen. Secondly due to excellent dispersion and transparency many sunscreens were thick but with production of zinc oxide catalyst added sunscreen was crystally clear. Thirdly was safety, the products tested per "Hygienic Standard for Cosmetics" requirements by the China Disease Control Prevention and Control Center Of Environment and Health Related Product Safety, no skin irritation. Fourth it was good light stability which could protect sunlight spectrum wider than conventional sunscreen.For antibacterial its main mechanism was firstly contacting reaction to cause microbes to produce common parts was damaged or dysfunctioned to damage cell synthesis activity, cell division and proliferation of incapacitation to death. Secondly was the catalytic mechanism of antibacterial. Zinc oxide catalyst in the light conditions would produce conduction band electrons and valence band holes,it had strong reactivity with surface adsorption of H2O or OH- ions reacting with strong oxidizing into a hydroxyl group to kill the cells. Due to the small particle size which could penetrate the cell membrane and degradate the toxins produced by cells. After the far-infrared emission rate test, zinc oxide catalyst was greater than 95 percent. Which played very healthy care of function for promoting the blood circulation. And it was currently the best ideal inorganic new materials for adding it into health industry products, daily necessities, cleaning supplies, antibacterial products.
Applications and Usages
Nano zinc oxide products were divided into powder and liquid two types. Different methods and products applied in different fields. The company recommended zinc oxide catalyst according to different types of customers’ products and assisted in making different additive schemes which would highlight its desired effect after using the products.