White Masterbatches RPI uses cutting edge technology for the manufacture of White Masterbatches. The process and equipment allows the incorporation of very high levels of Titanium Dioxide. Our White Masterbatches find applications in Cast Film Extrusion Coating Films Thick and Thin Wall Injection Moulding Roto-Moulding Blown Film (Mono & Multi-Layer) Sheet Extrusion Blow Moulding