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Highly concentrated, solvent-based black pigment dispersion for superior color strength and jetness.
Excellent compatibility with a broad range of thermoplastic and thermoset resins, including ABS, PS, PC, and PVC.
Optimized rheology for easy incorporation and homogeneous distribution in polymer melts without agglomeration.
Good thermal stability up to 260 °C, supporting high-temperature processing such as injection molding and extrusion.
Low volatile organic compound (VOC) content, aligned with stringent environmental and regulatory requirements.
Coloration of engineering plastics for automotive interior and exterior components.
Black tinting of packaging materials, including rigid containers and thin-walled trays.
Electrostatic discharge (ESD)-safe applications requiring conductive black pigmentation in polyolefins and styrenics.
Masterbatch production for consumer electronics housings and appliance parts.
Pigmentation of technical films and sheets used in signage and industrial laminates.
| Chemical Type | Solvent-based carbon black dispersion |
| Product Form | Paste (viscous liquid) |
| Appearance | Jet-black, uniform paste with slight gloss |
| Primary Applications | Plastics coloring (thermoplastics & thermosets) |
| Key Features | High color strength, excellent dispersibility, thermal stability |
| Benefits | Reduced dosage, consistent batch-to-batch performance, low dust generation |
| Recommended Carrier Solvents | Aromatic hydrocarbons, ketones, esters (e.g., xylene, MEK, ethyl acetate) |
| Storage Conditions | Store in tightly closed containers at 15–25 °C; avoid freezing and prolonged UV exposure |
Q1: What is the primary application field for Polysynthren Black H Color Paste?
A: Polysynthren Black H Color Paste is specifically developed for coloring high-performance thermoplastics and thermosets, with strong suitability in engineering plastics such as polyamide (PA), polybutylene terephthalate (PBT), and polyphenylene sulfide (PPS), especially where thermal stability and dispersion quality are critical.
Q2: How does Polysynthren Black H differ from standard carbon black dispersions?
A: Unlike generic carbon black pastes, Polysynthren Black H features a proprietary polymer-compatible dispersant system optimized for high-temperature processing, offering superior pigment deagglomeration, reduced plate-out tendency, and enhanced long-term color consistency in demanding melt-processing conditions.
Q3: Is this paste suitable for food-contact or medical-grade polymers?
A: Polysynthren Black H is formulated without heavy metals or regulated aromatic amines, and its composition supports compliance pathways for indirect food contact applications — however, final regulatory approval depends on the full formulation, processing conditions, and target jurisdiction; users must conduct full migration and safety assessments per applicable requirements.
Q4: What is the recommended dosage range for optimal performance?
A: Dosage is formulation-dependent, but typical usage ranges from 0.1% to 2% by weight in the final polymer matrix, balancing jetness, dispersion uniformity, and mechanical property retention — precise optimization requires rheological and colorimetric evaluation in the target system.
Q5: Can Polysynthren Black H be used in aqueous systems or coatings?
A: No — this product is designed exclusively for melt-compounding into thermoplastic and thermoset polymers. It is not formulated for water-based or solvent-borne coating applications, and its rheology and stabilizer system are incompatible with such media.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
