STRODEX PK-90 is a phosphate ester surfactant that provides improved performance in various applications. STRODEX PK-90 imparts better spreadability and uniform coverage on surfaces. It enhances the properties of pigments like iron oxides and TiO2 used in formulations. STRODEX PK-90 helps in preventing issues like crawling, cratering and pinholing during drying. The product also allows for better wetting and dispersion of key additives. STRODEX PK-90 can be used at typical addition levels of 0.2-0.4% and provides benefits like increased gloss, improved durability and reduced hazing.