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DR-2688 is specially designed plastic rutile grade TiO2 for polycarbonate. The special inorganic and organic surface treatments effectively solve the problems such as viscosity and brightness reduction, yellowing of color, and material embrittlement during processing of polymers like polycarbonate. It ensures the optical and mechanical properties of engineering plastics such as polycarbonate, and exhibits excellent resistance to degradation and yellowing in polycarbonate.