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High thermal stability suitable for demanding processing conditions up to 220 °C.
Excellent lightfastness and weather resistance in outdoor applications.
Strong tinctorial strength with clean, bright yellow hue and high chroma.
Good dispersibility in both solvent-based and water-based systems.
Compliant with major global regulatory frameworks including REACH and RoHS.
Automotive coatings requiring long-term color retention and durability.
Industrial coil coatings for metal roofing and cladding.
Plastic coloration, especially for polyolefins and engineering thermoplastics.
High-performance printing inks for packaging and labels.
Powder coatings where heat resistance and gloss retention are critical.
| Chemical Type | Azo pigment (condensation type) |
| Product Form | Free-flowing powder |
| Appearance | Bright yellow powder |
| Primary Applications | Coatings, plastics, inks |
| Key Features | Thermal stability, lightfastness, dispersibility |
| Benefits | Consistent batch-to-batch performance, low dust generation |
| Regulatory Status | REACH registered; non-GMO; no SVHCs above threshold |
Q1: What is the primary chemical class of Novoperm Yellow HR 04?
A: Novoperm Yellow HR 04 is a high-performance, non-metallic organic pigment belonging to the isoindoline derivative family, specifically engineered for enhanced thermal and light stability in demanding applications.
Q2: Is this pigment suitable for use in food-contact plastics?
A: Novoperm Yellow HR 04 is not certified for direct food-contact applications under major global regulatory frameworks. It is intended for non-food-contact industrial and decorative uses, such as automotive coatings, industrial paints, and general-purpose plastics where regulatory compliance for food contact is not required.
Q3: How does Novoperm Yellow HR 04 compare to standard arylide yellows in terms of heat stability?
A: Novoperm Yellow HR 04 exhibits significantly improved thermal stability compared to conventional arylide yellow pigments, enabling its use in high-temperature polymer processing—such as polyolefin coloring up to approximately 280 °C—without substantial hue shift or decomposition.
Q4: What are typical dosage ranges when using this pigment in thermoplastic systems?
A: Dosage depends on formulation requirements and desired opacity or chroma, but it is typically used at low concentrations—generally ranging from 0.1% to 2% by weight—in thermoplastic matrices like PP, PE, and ABS.
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E-mail: wangxingqiang@ericwchem.com
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