Additol P 896 Hydroxylated polyester carrier Cytec Surface Specialties North America South and Central America Flow / Levelling agent Powder coating Additolâ„¢ P896 is a flow promoter masterbatch suitable for use in pigmented powder coatings. Additolâ„¢ P896 contains approximately 15% active substance in an outdoor resistant hydroxylated polyester carrier. The addition of 3-5% of Additolâ„¢ P896 to a powder coating formulation is recommended to improve flow while maintaining good compatibility with nearly all powder coating systems. Flow promoter masterbatch. Improve flow while maintaining good compatibility with nearly all powder coating systems. Used in pigmented powder coatings.