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High chroma yellow shade with excellent lightfastness and weather resistance.
Outstanding thermal stability suitable for high-temperature processing up to 250 °C.
Good dispersibility in both polar and non-polar polymer systems.
Compliant with major global regulatory frameworks including REACH and FDA 21 CFR §178.3297.
Low volatility and minimal extractables for demanding food-contact and medical-grade applications.
Polyolefin masterbatches (PP, PE) for automotive interior trim and packaging.
Engineering plastics including ABS, PC, and PA for consumer electronics housings.
Food-grade rigid packaging films and containers requiring FDA compliance.
Medical device components requiring ISO 10993-compatibility and low leachables.
Industrial coatings requiring long-term outdoor durability and UV resistance.
| Chemical Type | Azo pigment (disazo, benzimidazolone derivative) |
| Product Form | Fine free-flowing powder |
| Appearance | Bright greenish-yellow powder |
| Primary Applications | Polyolefins, engineering thermoplastics, food-contact packaging, medical polymers |
| Key Features | High heat stability, excellent lightfastness (ISO 105-B02: ≥7), low migration |
| Benefits | Consistent color batch-to-batch, low dust generation, optimized for extrusion and injection molding |
| Regulatory Status | REACH registered; compliant with FDA 21 CFR §178.3297; EU Directive 2002/72/EC |
Q1: What is the primary chemical class of Clariant Permanent Yellow P-GRL 07?
A: Clariant Permanent Yellow P-GRL 07 is an organic pigment based on the monoazo pyridone chemical structure, offering a balanced combination of brightness, heat stability, and lightfastness.
Q2: Is this pigment suitable for food-contact plastics applications?
A: Yes — P-GRL 07 is designed for use in selected food-contact plastic applications where regulatory compliance is required; final suitability depends on the specific polymer matrix, processing conditions, and applicable regional regulations.
Q3: How does P-GRL 07 perform under high-temperature processing conditions?
A: It exhibits good thermal stability and is suitable for standard polyolefin and engineering plastic processing, including injection molding and extrusion at typical temperatures up to approximately 280 °C — performance may vary depending on residence time and shear exposure.
Q4: What is the typical dosage range when using P-GRL 07 in polypropylene (PP) compounds?
A: Dosage generally ranges from 0.1% to 2% by weight in PP, depending on the desired shade strength and opacity requirements; it is typically used at low concentrations due to its high tinting strength and efficient dispersion characteristics.
Q5: Can P-GRL 07 be used in combination with other organic pigments without risk of chromatic or chemical interaction?
A: Yes — it demonstrates good compatibility with many common organic pigments and is routinely formulated in multi-pigment systems; however, compatibility testing under end-use conditions is recommended to ensure color stability and absence of adverse interactions.
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