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High chroma, clean red 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 volatility and minimal extractables—compliant with stringent food-contact and toy safety requirements.
Consistent batch-to-batch color reproducibility supported by Clariant’s rigorous quality control.
Polypropylene (PP) and polyethylene (PE) injection-molded consumer goods.
Automotive interior components requiring long-term UV and heat resistance.
Food packaging films and rigid containers compliant with FDA 21 CFR §178.3297.
Household appliances and technical parts exposed to indoor ambient conditions.
Masterbatch concentrates for general-purpose plastics coloring.
| Chemical Type | Organic Pigment (Pigment Red 170 derivative) |
| Product Form | Free-flowing powder |
| Appearance | Red to reddish-brown fine powder |
| Primary Applications | Polyolefins, engineering plastics, masterbatches |
| Key Features | High thermal stability, low migration, excellent dispersion |
| Benefits | Color consistency, regulatory compliance (EU REACH, FDA), process robustness |
| Particle Size (D50) | 0.15–0.25 µm (by laser diffraction) |
| Heat Resistance | ≥280 °C (20 min, air) |
Q1: What is the primary chemical class of Graphtol Red LG Pigment?
A: Graphtol Red LG is an organic pigment based on the azo chromophore system, specifically engineered for high tinctorial strength and thermal stability in demanding polymer processing environments.
Q2: Is Graphtol Red LG suitable for food-contact plastics?
A: Graphtol Red LG is designed for use in non-food-contact applications. For food-contact compliance, customers must consult Clariant’s regulatory documentation and conduct full formulation-specific migration testing under applicable regional requirements.
Q3: How does Graphtol Red LG perform during high-temperature processing, such as injection molding of engineering thermoplastics?
A: This pigment exhibits excellent thermal stability and retains its color integrity at processing temperatures up to 280 °C, making it well-suited for polypropylene, polyethylene, and certain engineering polymers processed via extrusion or injection molding.
Q4: What are typical dosage levels when using Graphtol Red LG in polyolefin masterbatches?
A: Dosage depends on the desired shade depth and base resin, but it is typically used at low concentrations—generally ranging from 0.1% to 2% by weight in masterbatch formulations.
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