Efka PX 4330 is a high molecular weight acrylic block copolymer. Acts as a dispersing agent. It is made by the Controlled Free Radical Polymerization (CFRP) technology. Designed for solvent-based decorative coatings- industrial coatings- automotive refinish and automotive coatings. Exhibits high color strength and good stability against flooding- floating and flocculation. Offers strong viscosity-depressing effects. Efka PX 4330 imparts high pigment loading. It has a shelf life of 4 years.