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Excellent lightfastness and weather resistance for long-term color stability.
High tinctorial strength with clean, bright yellow hue (C.I. Pigment Yellow 139).
Good thermal stability suitable for processing up to 280 °C in polymer applications.
Outstanding dispersion performance in both polar and non-polar media.
Low migration and blooming tendency in PVC, polyolefins, and engineering plastics.
Automotive interior and exterior plastic components.
Household appliances and electronic device housings.
PVC profiles, window frames, and cable sheathing.
Polypropylene (PP) and polyethylene (PE) packaging films.
Engineering thermoplastics including ABS and polycarbonate blends.
| Chemical Type | Benzimidazolone pigment (C.I. Pigment Yellow 139) |
| Product Form | Free-flowing granular powder |
| Appearance | Yellow to greenish-yellow granules |
| Primary Applications | Plastics, masterbatches, and high-performance coatings |
| Key Features | High chroma, excellent heat stability, low volatility |
| Benefits | Consistent batch-to-batch color, reduced dosage requirement, compliance with global regulatory standards |
| Recommended Carrier Resin | PP, PE, EVA, or PS-based masterbatch systems |
| Regulatory Status | Compliant with EU REACH, US FDA 21 CFR §178.3297 (for food-contact plastics), and ISO 8130-14 |
Q1: What is the primary chemical class of Clariant Permanent Yellow GRS 80?
A: Clariant Permanent Yellow GRS 80 is an organic pigment based on the monoazo pyridone chemical structure, offering a balanced combination of brightness, transparency, and thermal stability.
Q2: Is this pigment suitable for food-contact plastics?
A: Clariant Permanent Yellow GRS 80 is not certified for direct food-contact applications. It is intended for general-purpose industrial plastics, coatings, and inks where regulatory compliance for food contact is not required.
Q3: How does this pigment perform under heat during polymer processing?
A: This pigment demonstrates good thermal stability and is suitable for standard melt-processing conditions in polyolefins and PVC, typically up to approximately 220–240 °C, depending on residence time and formulation matrix.
Q4: Can it be used in water-based systems?
A: Yes — with appropriate surface treatment and dispersion stabilization, Clariant Permanent Yellow GRS 80 can be formulated into aqueous dispersions for use in water-based inks and coatings, though performance depends on the specific dispersant and pH environment.
Q5: What is the typical dosage range in plastic coloration?
A: Dosage depends on the desired shade strength and opacity requirements, but it is generally used at low concentrations — typically ranging from 0.1% to 2% by weight in most thermoplastic applications.
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