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High chroma and excellent color consistency across batches.
Outstanding thermal stability for processing up to 300 °C in engineering polymers.
Low migration and blooming resistance in demanding polyolefin and PVC applications.
Optimized dispersibility for efficient masterbatch production and injection molding.
Compliant with global food-contact regulations (EU No. 10/2011, FDA 21 CFR §178.3297).
Automotive interior trim and exterior components.
Household appliances with high-gloss, color-stable surfaces.
Packaging films requiring lightfastness and regulatory compliance.
Medical device housings requiring biocompatibility and consistent aesthetics.
Consumer electronics casings demanding scratch-resistant, vibrant coloration.
| Chemical Type | Organic pigment dispersion (high-performance azo and quinacridone-based) |
| Product Form | Free-flowing granules or pelletized masterbatch concentrate |
| Appearance | Dense, uniform granules; free of dust and agglomerates |
| Primary Applications | Polypropylene (PP), polyethylene (PE), ABS, PC/ABS, PVC |
| Key Features | Excellent UV resistance, low extractables, high tinctorial strength |
| Benefits | Reduced dosage requirements, improved process efficiency, enhanced end-product durability |
| Regulatory Status | REACH registered; compliant with RoHS 2 and EU ELV Directive |
| Storage Conditions | Store in dry, cool conditions (<25 °C); protect from direct sunlight and moisture |
Q1: What are the primary application areas for CESA-lux Pigments?
A: CESA-lux Pigments are specially engineered for high-performance coloration of thermoplastic polymers—particularly polyolefins (PP, PE), engineering plastics (PA, PC, PBT), and thermoplastic elastomers—used in demanding applications such as automotive interior components, premium consumer goods, and medical device housings where excellent dispersion, thermal stability, and lightfastness are required.
Q2: How does CESA-lux differ from conventional organic pigments in terms of processing performance?
A: CESA-lux Pigments feature Clariant’s proprietary surface treatment technology, enabling superior melt dispersibility and reduced agglomeration during extrusion or injection molding. This results in more uniform color distribution, lower filter pressure buildup, and improved batch-to-batch consistency—especially at elevated processing temperatures typical for engineering plastics.
Q3: Are CESA-lux Pigments suitable for food-contact or medical-grade applications?
A: Certain grades within the CESA-lux portfolio are formulated to meet relevant regulatory expectations for indirect food contact and non-implantable medical devices, subject to final formulation validation and compliance with applicable regional requirements. Users must consult the latest regulatory documentation provided with each specific grade and conduct full system-level testing.
Q4: What is the typical dosage range for CESA-lux Pigments in polymer systems?
A: Dosage depends on the base polymer, desired color strength, and processing conditions—but CESA-lux Pigments are generally used at low concentrations, typically ranging from 0.1% to 2% by weight, due to their high tinting strength and efficient dispersion characteristics.
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E-mail: wangxingqiang@ericwchem.com
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