In coating industry,both oil based coating and water based paint, if you use titanium dioxide, its role is not only to cover and decoration, but also to improve the coating properties, enhance the chemical stability, improve the covering power, tinting strength, corrosion resistance, light fastness and weatherability, enhanced film mechanical strength and adhesion, prevent cracking and shedding, prevent ultraviolet light and moisture through,extended object's life. At the same time, it can save materials, improve production efficiency.