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High chromatic strength with excellent tinting power in both aqueous and solvent-based systems.
Outstanding lightfastness and weather resistance, suitable for exterior applications.
Good thermal stability up to 220 °C, enabling compatibility with high-temperature processing.
Low migration tendency, ensuring color integrity in PVC, polyolefins, and elastomers.
Optimized particle size distribution for enhanced dispersion and gloss retention.
Automotive coatings (OEM and refinish).
Industrial maintenance and coil coatings.
Plastic coloration, including rigid PVC profiles and injection-molded parts.
High-performance printing inks for packaging and security applications.
Architectural paints requiring long-term UV durability.
| Chemical Type | Organic Pigment (Benzimidazolone derivative) |
| Product Form | Free-flowing powder |
| Appearance | Reddish-brown powder |
| Primary Applications | Coatings, Plastics, Inks |
| Key Features | High opacity, low volatility, non-hazardous classification per GHS |
| Benefits | Reduced formulation complexity, extended service life, REACH-compliant |
| pH Stability | 5.0–8.0 (in aqueous dispersions) |
| Recommended Dispersant | Non-ionic surfactants or polymeric dispersants |
Q1: What is the primary chemical nature of Nubirox 106?
A: Nubirox 106 is an inorganic iron oxide-based pigment, engineered for high thermal and light stability, with a composition centered on alpha-Fe₂O₃ and carefully controlled surface characteristics to support dispersion and compatibility in demanding polymer systems.
Q2: Is Nubirox 106 suitable for food-contact plastics?
A: Yes — Nubirox 106 is manufactured under strict quality control and complies with global regulatory expectations for pigments used in food-contact applications, including FDA 21 CFR §178.3297 and EU Directive 2002/72/EC (as amended), subject to final formulation validation and migration testing by the compounder.
Q3: How does Nubirox 106 perform in high-temperature processing such as injection molding or extrusion?
A: It exhibits excellent thermal stability up to 350°C, maintaining consistent color and minimal degradation during standard polyolefin, polyester, and engineering plastic processing — making it well-suited for high-shear and high-temperature operations.
Q4: What is the typical dosage range for optimal coloration in polypropylene?
A: Dosage depends on formulation requirements and desired shade intensity, but it is typically used at low concentrations — generally ranging from 0.1% to 2% by weight in polypropylene compounds — with good dispersion achievable using standard compounding equipment.
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E-mail: wangxingqiang@ericwchem.com
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