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High thermal stability up to 350°C, maintaining color integrity during high-temperature processing.
Excellent lightfastness and weather resistance, meeting ISO 105-B02 (Grade 7–8) standards.
Non-bleeding and non-migrating in polymer matrices, ensuring consistent color performance in demanding applications.
Low heavy metal content, compliant with EU REACH Annex XVII and RoHS 2.0 requirements.
Easy dispersion in both polar and non-polar resins, reducing processing time and energy consumption.
Engineering plastics including polyamide (PA), polybutylene terephthalate (PBT), and polyphenylene sulfide (PPS).
High-performance coatings for automotive exterior parts and industrial equipment.
Color masterbatches for injection molding and extrusion of technical components.
Specialty inks for heat-transfer printing on synthetic textiles and technical fabrics.
Electrical insulation materials requiring long-term UV and thermal stability.
| Chemical Type | High-performance organic pigment (metal complex azo derivative) |
| Product Form | Free-flowing fine powder |
| Appearance | Uniform reddish-brown powder |
| Primary Applications | Thermoplastics, high-temp coatings, masterbatches |
| Key Features | Thermal stability, lightfastness, migration resistance |
| Particle Size (D50) | 0.15–0.25 μm |
| Volatile Matter (105°C, 2 h) | ≤0.5 wt% |
| pH (5% aqueous slurry) | 6.5–7.5 |
Q1: What is HF Pigment primarily used for?
A: HF Pigment is a high-performance, heat-stable organic pigment designed for coloring thermoplastic and thermoset polymers, especially in applications requiring excellent dispersion, lightfastness, and thermal stability—such as engineering plastics, masterbatches, and specialty coatings.
Q2: Is HF Pigment suitable for food-contact plastic applications?
A: HF Pigment is not pre-qualified for direct food-contact use. Its suitability depends on final formulation, processing conditions, and compliance with applicable regional regulations—customers must conduct full regulatory assessment and migration testing as required by their target market.
Q3: How should HF Pigment be dispersed in polymer systems?
A: Optimal dispersion is achieved using high-shear compounding methods—such as twin-screw extrusion or high-intensity mixing—often with compatible carrier resins or dispersing aids. Pre-compounding into a masterbatch is recommended for consistent color distribution and process efficiency.
Q4: Does HF Pigment exhibit good resistance to UV exposure and weathering?
A: Yes, HF Pigment offers enhanced UV stability compared to standard organic pigments, making it suitable for outdoor applications where moderate to long-term lightfastness is required—though performance may vary depending on polymer matrix, additives, and environmental exposure conditions.
Q5: What is the typical dosage range for HF Pigment in polymer formulations?
A: Dosage is formulation-dependent but generally ranges from 0.1% to 2% by weight, depending on desired shade intensity, polymer type, and processing method. Lower concentrations are often sufficient due to its high tinting strength and efficient dispersion characteristics.
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