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High chromatic strength and excellent color consistency across batches.
Outstanding thermal stability suitable for high-temperature processing up to 280 °C.
Good dispersibility in both polar and non-polar polymer matrices.
Low migration tendency, ensuring color fastness in demanding end-use environments.
Compliant with major global regulatory frameworks including REACH and FDA 21 CFR for selected applications.
Engineering plastics: polyamide (PA), polybutylene terephthalate (PBT), and polyphenylene sulfide (PPS).
Automotive interior components requiring long-term UV and heat resistance.
Electrical and electronic housings exposed to elevated operating temperatures.
Polymer masterbatches for color concentrate production.
Industrial coatings requiring high-opacity, lightfast pigmentation.
| Chemical Type | Organic pigment (high-performance azo derivative) |
| Product Form | Free-flowing powder |
| Appearance | Reddish-brown to dark brown fine powder |
| Primary Applications | Thermoplastics, masterbatches, and industrial coatings |
| Key Features | Thermal stability, low volatility, high tinctorial strength |
| Benefits | Consistent coloration, reduced pigment loading, enhanced processability |
| Recommended Carrier Resin | Polymers with medium to high polarity (e.g., PA6, PBT) |
| Storage Conditions | Store in cool, dry place; protect from moisture and direct sunlight |
Q1: What is the primary function of BASF K4180/Pigment in polymer systems?
A: BASF K4180/Pigment is a high-performance organic pigment dispersion designed to provide strong, consistent coloration and excellent lightfastness in thermoplastic polymers, particularly polyolefins and engineering plastics. It functions as a ready-to-use liquid pigment concentrate for efficient incorporation during compounding or injection molding.
Q2: Is BASF K4180/Pigment suitable for food-contact applications?
A: BASF K4180/Pigment is formulated with components compliant with major global food-contact regulations for plastics, including FDA 21 CFR and EU Framework Regulation (EC) No 1935/2004. Final compliance depends on the complete formulation, processing conditions, and end-use requirements — users must conduct full regulatory assessment per their specific application.
Q3: How should BASF K4180/Pigment be incorporated into polymer melts?
A: It is typically added directly to the polymer melt using gravimetric or volumetric dosing systems during extrusion or injection molding. Good mixing efficiency is achieved due to its optimized rheology and carrier compatibility. Pre-blending with base resin prior to extrusion is recommended for highest color uniformity in demanding applications.
Q4: What are the key storage and handling recommendations?
A: Store in original sealed containers at temperatures between 5 °C and 30 °C, away from direct sunlight and freezing conditions. Avoid prolonged exposure to elevated temperatures or mechanical shear before use. Stir gently before dispensing to ensure homogeneity, and maintain good housekeeping to prevent cross-contamination with other pigments or additives.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
