①   Strong tint-reducing power: Tint-reducing power determines the amount of titanium dioxide used for the same plastic product color. Strong tint-reducing power is less added. Compared with the use of titanium dioxide with poor tint-reducing power and high additive amount, it is more likely to reduce production costs.

②   Whiteness: determines the appearance of light-colored (white) plastic products with the same content of titanium dioxide, and titanium dioxide with different whiteness can be reasonably selected according to the appearance requirements of plastic products.

③   High dispersion: the larger the amount of pigment and filler added to plastic products, the smaller the proportion of resin, the higher the strength of plastic products, the lower the cost of production, but at the same time the compatibility and lubrication between the components will be the worse; this will easily lead to the surface roughness of the plastic products and uneven color. Selection of well-dispersed titanium dioxide can reduce production costs and improve the smoothness and gloss of the products.

④   Hiding power: titanium dioxide with good hiding power will produce lighter and thinner plastic products.

⑤   Good temperature and weather resistance: the production and processing process of plastic products generally needs to be carried out in a high temperature melting state, which requires the titanium dioxide used to have good temperature and weather resistance, otherwise it will cause pigment migration and porosity, affecting the surface quality and physical strength of plastic products. In addition, outdoor use of plastic products and plastic doors and Windows must have UV resistance, must ensure the light and weather resistance of titanium dioxide.

⑥   Strong fluidity of dry powder: most of the production and processing of plastic products are operated in the assembly line, and the poor fluidity of some powders will stagnate on the conveyor belt or block the sieve holes, thus affecting the quality of plastic products.

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