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Highly concentrated carbon black masterbatch optimized for polyolefin processing.
Excellent dispersion performance in injection molding and extrusion applications.
Consistent color strength and batch-to-batch reproducibility.
Low dust generation and improved handling safety during feeding and blending.
Enhanced UV protection and long-term thermal stability in finished parts.
Automotive interior trim components.
Household appliance housings and panels.
Packaging films requiring high opacity and light barrier properties.
Industrial containers and totes made from PP or HDPE.
Outdoor furniture and garden products exposed to weathering.
| Chemical Type | Carbon black-based polyolefin masterbatch |
| Product Form | Free-flowing cylindrical pellets |
| Appearance | Jet-black, uniform granules |
| Base Polymer | PP (polypropylene) |
| Carbon Black Loading | Approx. 25% w/w |
| Recommended Use Level | 1.5–3.0% by weight in final compound |
| Density (at 23°C) | 1.15–1.20 g/cm³ |
| Moisture Content | <0.2% (as received) |
Q1: What is the primary polymer carrier for PLASBLAK UN6073?
A: PLASBLAK UN6073 is formulated with a polyolefin-based carrier system, optimized for compatibility with polypropylene (PP), polyethylene (PE), and related thermoplastic olefins commonly used in injection molding and extrusion applications.
Q2: Is PLASBLAK UN6073 suitable for food-contact applications?
A: PLASBLAK UN6073 is designed to meet general regulatory expectations for food-contact plastics in major markets, subject to final formulation review and end-use processing conditions. Customers are advised to conduct full regulatory validation—including migration testing—based on their specific application, processing parameters, and target jurisdiction requirements.
Q3: How does PLASBLAK UN6073 perform in high-shear processing environments?
A: The masterbatch exhibits excellent dispersion stability and pigment retention under standard high-shear conditions typical of twin-screw extrusion and high-speed injection molding, minimizing color variation and plate-out risk when processed within recommended temperature and residence time windows.
Q4: What is the typical dosage range for achieving full black opacity?
A: Full black opacity is generally achieved at loadings between 0.1% and 2% by weight, depending on base resin type, part thickness, processing method, and desired surface appearance. Optimal dosage should be determined through application-specific trials to balance cost, dispersion quality, and mechanical performance.
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E-mail: wangxingqiang@ericwchem.com
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