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High chroma yellow shade with excellent lightfastness (ISO 105-B02: Grade 7–8)
Outstanding thermal stability up to 220°C, suitable for high-temperature processing
Low volatility and minimal migration in polymer matrices
Good dispersibility in both polar and non-polar resins including PVC, PS, and ABS
Compliant with major global regulatory frameworks including REACH, RoHS, and FDA 21 CFR §178.3297
Coloration of rigid and flexible PVC profiles, pipes, and flooring
Automotive interior plastics requiring long-term UV resistance
Engineering thermoplastics for consumer electronics housings
Masterbatch production for injection-molded packaging components
High-performance industrial coatings for outdoor metal substrates
| Chemical Type | Azo pigment (Benzimidazolone derivative) |
| Product Form | Fine dry powder |
| Appearance | Bright yellow free-flowing powder |
| Primary Applications | Polymer coloration, masterbatches, industrial coatings |
| Key Features | High heat stability, low extractability, excellent weather resistance |
| Particle Size (D50) | 0.18–0.22 µm (by laser diffraction) |
| Density | 1.42 g/cm³ (at 25°C) |
| Volatile Matter (105°C, 2 h) | ≤0.5 wt% |
Q1: What is the primary chemical nature of Nubiola Y-805K Pigment?
A: Nubiola Y-805K is an inorganic complex oxide pigment, engineered for high thermal stability and excellent lightfastness. It is not a heavy-metal-based chromate or cadmium compound, and is formulated to meet modern environmental and regulatory expectations for industrial colorants.
Q2: Is Y-805K suitable for use in food-contact plastics?
A: While Y-805K exhibits good inertness and low extractability under typical processing conditions, its suitability for food-contact applications depends on final formulation, processing parameters, and regional regulatory assessments. It is not pre-approved per se but has been successfully incorporated into compliant food-grade plastic systems when evaluated as part of the full matrix.
Q3: How does Y-805K perform under high-temperature processing, such as injection molding or extrusion?
A: Y-805K demonstrates exceptional thermal stability, retaining its color integrity and dispersion characteristics at temperatures commonly encountered in polyolefin and engineering plastic processing—typically up to 300 °C for short residence times. No significant blooming, fading, or gas-phase volatilization has been observed under standard industrial conditions.
Q4: What types of polymer systems show optimal compatibility with Y-805K?
A: Y-805K achieves robust dispersion and color development in non-polar and semi-crystalline thermoplastics—including polypropylene (PP), polyethylene (PE), and polyethylene terephthalate (PET). Performance in polar resins like ABS or PC may require tailored surface treatment or carrier selection, and compatibility should be verified via lab-scale trials.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
