Zinc oxide is a chemical compound with the formula ZnO. It is a white, powdery substance that is insoluble in water. Zinc oxide is widely used in various industries, including rubber, ceramics, glass, pigments, and cosmetics, due to its unique properties.
In the rubber industry, zinc oxide is used as a reinforcing filler and activator for rubber compounds. In ceramics, it is used as a glaze and a flux, improving the physical and mechanical properties of the final product. In glass production, zinc oxide acts as a refining agent and helps to improve the transparency and durability of the glass.
In cosmetics, zinc oxide is used as a physical sunblock, reflecting and scattering UV rays. It is also commonly used in topical ointments and skin creams due to its ability to soothe and protect the skin.
Zinc oxide is non-toxic, but it can be an irritant if inhaled in large quantities. In addition, prolonged exposure to zinc oxide fumes can cause metal fume fever, which is a type of flu-like illness. Overall, zinc oxide is considered a safe substance when used in appropriate amounts and with proper precautions.