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High chroma and excellent color strength for vibrant, consistent rubine red shades.
Outstanding lightfastness and weather resistance suitable for demanding outdoor applications.
Good thermal stability up to 220 °C, enabling compatibility with high-temperature processing.
Excellent dispersibility in common polymer matrices including PVC, PS, and ABS.
Low migration tendency, ensuring color integrity in food-contact and packaging applications where compliant.
Automotive interior plastics requiring long-term color stability and low VOC emissions.
General-purpose engineering thermoplastics for consumer electronics housings.
Household appliances with exposed colored components subject to UV exposure.
Packaging films and rigid containers where regulatory compliance and bleed resistance are critical.
Industrial coatings for metal and plastic substrates requiring high-opacity red tones.
| Chemical Type | Quinacridone derivative (high-performance organic pigment) |
| Product Form | Fine powder |
| Appearance | Deep bluish-red powder |
| Primary Applications | Plastics, coatings, and inks |
| Key Features | High tinctorial strength, excellent dispersion, good heat stability |
| Regulatory Status | Compliant with EU REACH; not classified as hazardous under GHS |
| Particle Size (D50) | Approx. 0.12–0.18 µm |
| Typical Density | 1.45 g/cm³ |
Q1: What is the primary chemical class and pigment type of Permanent Rubine F6B?
A: Permanent Rubine F6B is a high-performance organic pigment belonging to the quinacridone derivative family, specifically engineered as a bluish-red shade with excellent crystalline stability and molecular purity for demanding colorant applications.
Q2: Is this pigment suitable for use in food-contact plastics or inks?
A: Permanent Rubine F6B is not approved for direct food-contact applications under major global regulatory frameworks. It is intended for non-food-contact industrial uses such as general-purpose plastics, decorative coatings, and specialty inks where regulatory compliance for migration is not required.
Q3: How does this pigment perform in polyolefin masterbatches during high-temperature processing?
A: Permanent Rubine F6B demonstrates good thermal stability in polyolefin systems processed up to 260 °C, retaining its hue and strength with minimal degradation or gas-phase volatilization—making it well-suited for extrusion-based masterbatch production.
Q4: What are the recommended dispersion methods for optimal color development in solvent-based coatings?
A: For solvent-based systems, high-shear dispersing equipment (e.g., bead mills or high-speed dissolvers) is recommended. Pre-wetting with compatible solvents followed by controlled milling ensures uniform particle distribution and maximizes tinting strength and gloss response.
Q5: Can Permanent Rubine F6B be used alongside other high-performance pigments in mixed-shade formulations?
A: Yes—it exhibits good compatibility with many common high-performance organic pigments (e.g., phthalocyanines, perylenes) and selected inorganic pigments, enabling stable, reproducible mixed shades without significant flocculation or hue shift when properly dispersed and stabilized.
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