High thermal stability suitable for demanding processing conditions up to 280 °C.
Excellent lightfastness and weather resistance, meeting ISO 105-B02 and ISO 105-A02 standards.
Optimized particle size distribution for enhanced color strength and dispersion efficiency in polymer matrices.
Low volatile organic compound (VOC) content, supporting compliance with global environmental regulations.
Good compatibility with polyolefins, engineering plastics, and masterbatch systems.
Polypropylene (PP) and polyethylene (PE) injection-molded automotive interior parts.
Exterior-grade plastic profiles and cladding for architectural applications.
Color concentrates for food-contact-compliant packaging films.
Engineering thermoplastics including ABS and PC/ABS blends used in consumer electronics housings.
| Chemical Type | Azo pigment (disazo, benzimidazolone derivative) |
| Product Form | Free-flowing powder |
| Appearance | Reddish-brown fine powder |
| Primary Applications | Polyolefins, engineering plastics, masterbatches |
| Key Features | Heat stability, lightfastness, dispersion performance |
| Benefits | Consistent coloration, low migration, high tinctorial strength |
| Regulatory Compliance | EU REACH registered; compliant with FDA 21 CFR §178.3290 for indirect food contact |
Q1: What is the primary chemical nature and classification of BASF 2R-K 1550K?
A: BASF 2R-K 1550K is a high-performance organic pigment based on the diketopyrrolopyrrole (DPP) chemical class, engineered for exceptional chromatic strength, thermal stability, and lightfastness in demanding polymer applications.
Q2: Is this pigment suitable for food-contact or pharmaceutical packaging applications?
A: BASF 2R-K 1550K is not pre-approved for direct food-contact applications. Its suitability for regulated end-uses depends on final formulation compliance, migration behavior under intended conditions, and regulatory assessment by the responsible party — consultation with local regulatory experts and review of applicable regional requirements is strongly recommended before use.
Q3: How does BASF 2R-K 1550K perform during high-temperature processing, such as injection molding of engineering plastics?
A: This pigment demonstrates excellent thermal stability, maintaining color integrity and dispersion quality at typical processing temperatures for polyolefins, polyesters, and engineering thermoplastics — including extended residence times encountered in extrusion and injection molding.
Q4: What are the recommended dispersion methods to achieve optimal color development and consistency?
A: For best results, incorporate BASF 2R-K 1550K using high-shear compounding techniques — such as twin-screw extrusion or high-intensity melt mixing — with appropriate carrier resins. Pre-dispersed masterbatches are also widely used to ensure uniform distribution and reproducible hue across production batches.
Q5: Can BASF 2R-K 1550K be combined with other pigments or effect pigments in multi-component color systems?
A: Yes, it exhibits good compatibility with many common organic and inorganic pigments, as well as metallic and pearlescent effect pigments. However, interactions affecting hue, transparency, or rheology should be evaluated empirically in the target system, especially when used with acidic additives or certain flame retardants.
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