High thermal stability suitable for processing temperatures up to 280°C.
Excellent lightfastness and weather resistance (Blue Scale ≥7, Gray Scale ≥4).
Good dispersibility in both polar and non-polar polymer matrices.
Low volatility and minimal extractables—compliant with FDA 21 CFR §178.3297 for indirect food contact applications.
Consistent batch-to-batch color strength and hue, ensured by stringent in-house QC protocols.
Polyolefin masterbatches (PP, PE) for automotive interior trim.
Engineering plastics including ABS, PC, and PBT for consumer electronics housings.
Food-grade packaging films requiring regulatory compliance and migration control.
Industrial coatings requiring long-term outdoor durability and gloss retention.
Textile polyester fiber dyeing via high-temperature carrier process.
| Chemical Type | Organic Pigment (Quinacridone derivative) |
| Product Form | Free-flowing powder |
| Appearance | Reddish-violet fine powder |
| Primary Applications | Polymer coloration, industrial coatings, synthetic fibers |
| Key Features | Thermally stable, low-migration, high chroma |
| Benefits | Enhanced processing safety, reduced pigment loading, improved UV resistance |
| Regulatory Compliance | REACH registered; compliant with EU Directive 2002/72/EC (plastic materials) |
| Storage Conditions | Store in cool, dry place below 30°C; protect from moisture and direct sunlight |
Q1: What is the primary chemical nature of Nubirox 107?
A: Nubirox 107 is an inorganic iron oxide-based pigment, specifically engineered for high thermal and chemical stability. It exhibits excellent resistance to oxidation, UV exposure, and alkaline environments typical in cementitious and mineral binders.
Q2: Is Nubirox 107 suitable for use in architectural concrete and façade applications?
A: Yes — it is widely used in precast and cast-in-place architectural concrete, terrazzo, exposed aggregate finishes, and mineral plasters due to its consistent hue, low chromatic variation, and compatibility with Portland cement and blended cements.
Q3: How does Nubirox 107 perform under high-temperature curing conditions?
A: It maintains color integrity and dispersion stability during steam curing and autoclaving processes, making it appropriate for accelerated production cycles in precast manufacturing without significant hue shift or agglomeration.
Q4: Can Nubirox 107 be used in combination with other pigments or admixtures?
A: Yes — it is generally compatible with common concrete admixtures (e.g., plasticizers, air-entrainers) and can be co-dosed with other inorganic oxides for shade adjustment, though compatibility testing is recommended for specific formulations involving reactive silicates or high-pH accelerators.
Q5: What are the recommended handling and storage practices for optimal performance?
A: Store in a cool, dry location away from moisture and direct sunlight. Keep containers tightly sealed to prevent caking or contamination. For best dispersion, premix with water or liquid binder before addition to the dry mix, and ensure adequate mixing time and shear energy during batching.
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E-mail: wangxingqiang@ericwchem.com
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