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Highly concentrated pigment dispersion for efficient black coloration with excellent batch-to-batch consistency.
Optimized for compatibility with polyolefin (PP, PE) and engineering thermoplastics including ABS and PS.
Low migration and outstanding thermal stability up to 260 °C, supporting high-speed extrusion and injection molding processes.
Free of heavy metals, phthalates, and SVHC substances—compliant with EU REACH and RoHS directives.
Shear-stable formulation ensures uniform dispersion without agglomeration or filter clogging during processing.
Automotive interior components (dashboards, trim, under-hood parts).
Packaging films and rigid containers requiring deep black shade and UV resistance.
Household appliances (casings, control panels, small appliance housings).
Consumer electronics enclosures and accessories demanding high-gloss, defect-free surfaces.
Industrial piping and fittings where long-term color retention and weatherability are critical.
| Chemical Type | Carbon black-based pigment concentrate |
| Product Form | Viscous liquid paste |
| Appearance | Jet-black, homogeneous paste |
| Primary Applications | Polyolefins, ABS, PS, and other engineering thermoplastics |
| Key Features | High dispersion stability, low volatility, non-dusting |
| Benefits | Reduced dosing variability, minimal machine fouling, consistent color strength |
| Recommended Dosage Range | 1.0–3.5 wt% depending on substrate and shade requirement |
| Storage Conditions | Store at 15–25 °C; protect from freezing and direct sunlight |
Q1: What is the primary application field for Flexonyl Black A-CB?
A: Flexonyl Black A-CB is specifically developed for coloring polyolefin-based packaging materials, including flexible films and rigid containers used in food, pharmaceutical, and consumer goods applications. Its formulation emphasizes dispersion stability and thermal robustness during extrusion and thermoforming processes.
Q2: Is Flexonyl Black A-CB suitable for food-contact applications?
A: Yes — Flexonyl Black A-CB is designed to meet global regulatory expectations for food-contact plastics, including compliance with major regional frameworks such as FDA 21 CFR and EU Plastics Regulation principles. Final suitability depends on full system validation within the intended end-use formulation and processing conditions.
Q3: How should Flexonyl Black A-CB be incorporated into polyolefin compounds?
A: It is typically added directly to the polymer melt during extrusion or compounder feeding. Good dispersion is achieved without pre-drying, thanks to its optimized carrier system. For best results, ensure adequate mixing time and shear history consistent with standard masterbatch incorporation practices.
Q4: Does this color paste contain heavy metals or halogenated compounds?
A: No — Flexonyl Black A-CB is formulated without intentionally added heavy metals (e.g., lead, cadmium, mercury, hexavalent chromium) or halogenated organic pigments. It aligns with Clariant’s commitment to sustainable and restricted-substance-free solutions for sensitive markets.
Q5: What is the typical dosage range when using Flexonyl Black A-CB in polypropylene or polyethylene?
A: Dosage depends on the required shade depth and substrate opacity, but it is generally used at low concentrations — typically ranging from 0.1% to 2% by weight in the final compound. Optimization is recommended via lab-scale trials under representative processing conditions.
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E-mail: wangxingqiang@ericwchem.com
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