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High chromatic strength with excellent color purity in blue-green shade.
Outstanding lightfastness and weather resistance for long-term outdoor performance.
Good thermal stability suitable for processing up to 220 °C.
Excellent dispersibility in both polar and non-polar polymer matrices.
Low migration tendency, ensuring color consistency in demanding applications.
Automotive exterior coatings and plastic components.
Engineering thermoplastics including polypropylene (PP) and acrylonitrile-butadiene-styrene (ABS).
Industrial maintenance coatings requiring UV and chemical resistance.
High-performance masterbatches for injection-molded consumer goods.
| Chemical Type | Metal complex pigment (copper phthalocyanine derivative) |
| Product Form | Fine dry powder |
| Appearance | Blue-green crystalline powder |
| Primary Applications | Plastics, coatings, inks |
| Key Features | Lightfastness ≥7 (ISO 105-B02), Weathering resistance (Xenon arc, ≥3000 h) |
| Benefits | Consistent batch-to-batch color reproducibility and low dust generation |
| Recommended Dispersing Media | Polar solvents, alkyd resins, acrylic dispersions |
Q1: What is the primary chemical nature and classification of BASF 478/5BLG/478 Pigment?
A: BASF 478/5BLG/478 is a high-performance organic pigment dispersion, formulated as a liquid concentrate. It belongs to the azo pigment class and is engineered for excellent chromatic strength, lightfastness, and thermal stability in demanding polymer processing environments.
Q2: In which polymer systems is this pigment most commonly processed?
A: This pigment is widely used in polyolefins (e.g., PP and HDPE), engineering thermoplastics such as ABS and PS, and selected PVC compounds. Its dispersion stability and compatibility are optimized for melt-processing methods including injection molding, extrusion, and blow molding.
Q3: How should BASF 478/5BLG/478 be incorporated into a polymer formulation?
A: It is supplied as a ready-to-use liquid dispersion and is typically added directly to the base polymer using gravimetric or volumetric dosing systems. Pre-mixing with carrier resin is not required, though thorough melt homogenization during processing is essential to achieve uniform color distribution and optimal performance.
Q4: Does this pigment offer regulatory compliance for food-contact or toy applications?
A: BASF 478/5BLG/478 is designed to meet general requirements for pigments used in plastics intended for indirect food contact, subject to final formulation validation. Regulatory suitability depends on the specific end-use application, processing conditions, and applicable regional frameworks — users must verify compliance through their own due diligence and testing protocols.
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