Why Ultramarine Blue is the Preferred Pigment for Plastic Masterbatch
Plastic masterbatch compounding requires pigments that disperse rapidly under shear without clogging fine filter screens or causing surface imperfections in extruded products.
Traditional organic pigments can cause high filter pressure values (FPV) and act as nucleating agents that induce differential cooling and post-mold shrinkage in polypropylene caps and closures. Synthetic Ultramarine Blue eliminates these issues completely.
RS Pigments' NANOX formulations provide controlled free-sulfur content and sub-0.1% moisture retention, protecting extruder screws against acid corrosion and preventing odor generation during high-temperature injection molding.
Key Technical Takeaways
- Ultramarine Blue is chemically non-nucleating, eliminating shrinkage and warping in HDPE and PP injection moldings.
- Thermal stability up to 350°C in specialized heat-resistant grades and NANOX compounding platforms.
- Total resistance to alkaline environments (5/5 rating), ideal for masonry coatings, concrete, and laundry powders.
Need Technical Testing Samples for Your Lab?
RS Pigments supplies 1kg and 5kg trial sample packs with certified CoA, complete particle size distribution, and FPV analysis.