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High chroma yellow shade with excellent lightfastness and weather resistance.
Outstanding thermal stability suitable for high-temperature processing up to 280 °C.
Good dispersibility in both polar and non-polar polymer matrices.
Low migration tendency, meeting stringent regulatory requirements for food-contact applications.
Consistent batch-to-batch color reproducibility and high tinctorial strength.
Polyolefin (PP, PE) injection molding and blow molding.
Engineering plastics including ABS, PS, and PC blends.
Masterbatch formulations for automotive interior components.
Food-grade packaging films and containers compliant with FDA 21 CFR §178.3297.
Household appliances and consumer electronics housings.
| Chemical Type | Azo pigment (disazo) |
| Product Form | Fine powder |
| Appearance | Bright greenish-yellow powder |
| Primary Applications | Polyolefins, engineering thermoplastics, masterbatches |
| Key Features | High heat stability, low volatility, excellent dispersion |
| Regulatory Compliance | EU REACH registered; compliant with FDA 21 CFR §178.3297 and EU Plastics Regulation (EU) No 10/2011 |
| Typical Particle Size (D50) | 0.15–0.25 µm |
| Volatile Matter (105 °C, 2 h) | ≤ 0.5 wt% |
Q1: What is the primary chemical class of Hostaperm Yellow HN4G?
A: Hostaperm Yellow HN4G is a high-performance, non-bleeding benzimidazolone yellow pigment, known for its excellent thermal stability and lightfastness in demanding polymer applications.
Q2: Is Hostaperm Yellow HN4G suitable for food-contact plastics?
A: This pigment is not pre-approved for direct food-contact applications under major global regulatory frameworks. Its use in food-contact materials requires full formulation-level compliance assessment by the end-user, including migration testing and regulatory review per applicable jurisdiction.
Q3: How does Hostaperm Yellow HN4G perform in polyolefin processing?
A: It demonstrates very good dispersion stability and heat resistance in polyolefins such as PP and HDPE, maintaining color strength and hue consistency even during high-temperature extrusion and injection molding cycles.
Q4: What is the typical dosage range for Hostaperm Yellow HN4G in masterbatches?
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 polymer masterbatches.
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