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High chromatic strength with excellent blue shade consistency across batches.
Outstanding thermal stability up to 350 °C, suitable for high-temperature processing.
Superior lightfastness and weather resistance (ISO 105-B02, Grade 7–8).
Chemically inert in acidic and alkaline media, ensuring compatibility in diverse formulations.
Low oil absorption (< 25 g/100 g), enabling efficient dispersion and high loading capacity.
Automotive coatings requiring long-term color retention and UV resistance.
Plastic coloration for engineering thermoplastics including polyamide and polypropylene.
Architectural and industrial coil coatings exposed to harsh outdoor environments.
High-performance powder coatings demanding thermal stability during curing.
Ceramic glazes and vitreous enamel applications requiring refractory pigment performance.
| Chemical Type | Cobalt aluminate spinel (CoAl₂O₄) |
| Product Form | Fine dry powder |
| Appearance | Deep blue granular powder |
| Primary Applications | Coatings, plastics, ceramics, powder coatings |
| Key Features | Thermal stability, lightfastness, chemical inertness |
| Particle Size (D₅₀) | 0.8–1.2 µm |
| Bulk Density | 2.4–2.6 g/cm³ |
| VOC Content | Non-VOC (0 g/L) |
Q1: What is the primary chemical composition of BASF 0090 P.Bl.27?
A: BASF 0090 P.Bl.27 is a cobalt-free, inorganic blue pigment based on modified spinel-type metal oxides, engineered for high thermal stability and chemical resistance.
Q2: Is this pigment suitable for use in polyolefin compounds exposed to high-temperature processing?
A: Yes — it exhibits excellent thermal stability and is widely used in polypropylene and polyethylene applications processed at temperatures up to 300 °C, including injection molding and extrusion.
Q3: How does BASF 0090 P.Bl.27 perform under UV exposure and outdoor weathering?
A: It offers very good lightfastness and weather resistance due to its inorganic crystalline structure, making it suitable for long-term outdoor applications where color retention is critical.
Q4: What is the typical dosage range when incorporating this pigment into polymer systems?
A: Dosage depends on the desired shade intensity and substrate, but it is typically used at low concentrations — generally ranging from 0.1% to 2% by weight in most thermoplastic formulations.
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