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High chroma and excellent lightfastness for vibrant, durable yellow coloration.
Outstanding heat stability suitable for high-temperature processing up to 280 °C.
Good dispersibility in both polar and non-polar polymer systems.
Low migration tendency, ensuring color integrity in demanding applications.
Compliant with major global regulatory frameworks including REACH and RoHS.
Polyolefin masterbatches (PP, PE) for automotive interior components.
Engineering plastics including ABS and polycarbonate for consumer electronics housings.
Flexible and rigid PVC for building & construction profiles and flooring.
Thermoplastic elastomers (TPE) used in medical device housings and seals.
Industrial coatings requiring weather resistance and color consistency.
| Chemical Type | Condensed Azo Pigment (Pigment Yellow 139) |
| Product Form | Free-flowing powder |
| Appearance | Yellow to orange-yellow fine powder |
| Primary Applications | Polyolefins, engineering plastics, PVC, TPEs, industrial coatings |
| Key Features | High thermal stability, low migration, excellent dispersion |
| Benefits | Vibrant hue, long-term color retention, processing robustness |
| Regulatory Status | REACH registered; RoHS compliant; non-heavy-metal-based |
| Recommended Processing Temperature Range | Up to 280 °C (short-term) |
Q1: What is the primary chemical class of Hostaperm Yellow H5G?
A: Hostaperm Yellow H5G is a high-performance, non-metallic organic pigment belonging to the monoazo pyridone chemical class, offering excellent heat stability and lightfastness for demanding polymer applications.
Q2: Is Hostaperm Yellow H5G suitable for food-contact plastics?
A: Hostaperm Yellow H5G is not approved for direct food-contact applications under major global regulatory frameworks. It is intended for general-purpose industrial and decorative plastic coloring where regulatory compliance for food contact is not required.
Q3: Which polymers is Hostaperm Yellow H5G commonly used in?
A: This pigment demonstrates good compatibility and dispersion stability in polyolefins (e.g., PP, HDPE), PVC, PS, ABS, and engineering thermoplastics such as PA6 and PBT—particularly where high thermal stability during processing is needed.
Q4: How does Hostaperm Yellow H5G perform under UV exposure?
A: Hostaperm Yellow H5G delivers very good to excellent lightfastness and weather resistance, especially when stabilized with appropriate UV absorbers and HALS in outdoor-grade formulations.
Q5: What is the typical dosage range for Hostaperm Yellow H5G in polymer 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 final polymer compounds.
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