Disp 900 Polyacrylate dispersant ADD APT Colloidal stabilizers / Dispersing agents Polyvinyl Chloride (PVC) ADHESIVE Soluble in water ADD APTâ DISP 800 and DISP 900 are excellent solvent-free Dispersants for (mineral) pigments and fillers. They enable a high pigment loading at low viscosity. ADD APTâ DISP 800 and 900 are low- and narrow molecular weight polyacrylate dispersants having either a sodium - or a ammonium cation.ADD APT® DISP 800 or DISP 900 are recommended for use in formulations with low- medium PVC (15 - 30 %) The gloss of emulsion paint and lacquers is not influenced by the addition of ADD APTâ DISP 800 or 900. Both products show high glycol compatibility. ADD APT® DISP 900 is recommended for applications where sodium ions are undesired. The very narrow molecular weight distribution of both DISP 800 and DISP 900 guarantees a high effectiveness in dispersing properties. pH application range 4 - 13 No R- S- phrases Solvent-free polyacrylate dispersant having ammonium cation. Suitable for pigments(mineral) and fillers where sodium ions are undesired. Possesses low and narrow molecular weight distribution that ensures highly effective dispersing properties recommended for use in PVC (15 - 30%) formulations.