General Industrial KRITILEN® BLACK 325Black masterbatch for general extrusion applications. KRITILEN® BLACK 331It was developed to achieve homogeneous color distribution in film and extrusion applications. KRITILEN® BLACK 340General purpose black masterbatch. KRITILEN® BLACK 350Black masterbatch for applications requiring high blackness. KRITILEN® BLACK 360A black masterbatch that offers stable color performance. KRITILEN® BLACK 415Black masterbatch suitable for film and sheet applications. KRITILEN® BLACK 3491EBlack masterbatch for specialized industrial applications.