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This metal oxide is often added to paint to make it bright white.
Originally posted by zoobyshoe
Zinc oxide
The metal oxide commonly used in white paint is titanium dioxide (TiO2).
This metal oxide is added to paint to make it bright white, as it has a high refractive index which reflects light, creating a bright and opaque finish.
Yes, titanium dioxide is generally considered safe to use in paint as it is non-toxic and non-reactive with other chemicals. However, care should be taken when handling the powdered form to avoid inhalation.
Aside from its brightening properties, titanium dioxide also helps to increase the durability and weather resistance of paint, making it a popular choice for exterior applications.
No, there are other metal oxides that may be used in paint for different purposes. For example, zinc oxide is sometimes added to improve the adhesive properties of paint, while iron oxide can be used as a pigment to create different shades of paint.