Rutile TiO2 For Pigmentation

# We are Titanium Dioxide Manufacturer # Rutile TiO2 For Pigmentation

• The effect of titanium dioxide pigment on coating-to-ratio performance

The covering performance of the paint is the most direct and crucial index reflecting the performance of white pigment. Under the premise that other components and conditions of the paint are the same, the stronger the covering power of the paint, the stronger the covering performance of the pigment.

• Absorption and shielding performance of titanium dioxide pigments against ultraviolet light

The GR composite titanium dioxide pigment (rutile) and rutile titanium dioxide (R818) were mixed with water to form a 0.2% suspension, dispersed by ultrasonic waves for 20 minutes, and then the samples were put into a 72 UV and visible spectrophotometer to test the light transmission rate, so as to judge the absorption of UV light.

Titanium dioxide pigment, rutile titanium dioxide, respectively, and the water composition of the suspension of the wavelength of monochromatic light transmission rate and the law is basically the same, the wavelength of ultraviolet light transmission rate of less than 400nm are very low, with the increase in the incident light wavelength, the suspension of the light transmission rate increased significantly, to 700nm has reached more than 40%. As the difference of the transmission rate of the suspension can be approximated as a result of the solid material itself, it is believed that the titanium dioxide pigment has a strong absorption shielding effect on UV light compared with rutile titanium dioxide.

The absorption and shielding effect of rutile titanium dioxide on ultraviolet light is a reflection of its optimal chemical stability and good resistance to aging, chalking and discoloration, and the similar optical properties of titanium dioxide pigments show that they also have light stability properties such as aging resistance.

Through the above two experiments, we can see that the use of titanium dioxide pigments in the coating system can be limited to the same or similar performance indicators as titanium dioxide; titanium dioxide pigments can be widely used in the coating system to improve the performance of the coating and reduce the cost of the material by a large margin.

If you need high quality Rutile TiO2 For Pigmentation, paper and printed ink, please feel free to contact us.

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