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Highly concentrated carbon black dispersion for consistent color and conductivity performance.
Optimized for polyethylene (PE) resin systems with excellent melt flow and processing stability.
Low dust formulation ensures improved workplace safety and reduced equipment contamination.
Excellent pigment dispersion and thermal stability during extrusion and injection molding.
Complies with FDA 21 CFR §178.3297 for food-contact applications when used at approved loadings.
Black-colored HDPE and LDPE blow-molded containers (e.g., drums, IBC totes).
Conductive PE films for static-dissipative packaging in electronics manufacturing.
PE geomembranes requiring UV resistance and long-term weatherability.
Injection-molded PE parts for automotive interior components.
| Chemical Type | Carbon black masterbatch in polyethylene carrier |
| Product Form | Free-flowing cylindrical pellets |
| Appearance | Uniform black pellets, no visible specks or agglomerates |
| Carbon Black Loading | 25 ± 1 wt% |
| Carrier Resin | LDPE (MI 2–4 g/10 min, 190°C/2.16 kg) |
| Typical Melt Flow Rate (MFR) | 8–12 g/10 min (190°C/2.16 kg, diluted 2% in LDPE) |
| Moisture Content | < 0.2 wt% |
| Key Features | High dispersion, low volatility, excellent batch-to-batch consistency |
Q1: What is the primary function of Cabot PE4861 Masterbatch in polyethylene applications?
A: Cabot PE4861 is a carbon black–based masterbatch designed to provide consistent jetness, UV stabilization, and electrical conductivity control in polyethylene compounds—particularly for blow-molded and extruded products requiring high surface quality and long-term weather resistance.
Q2: Is Cabot PE4861 compatible with all types of polyethylene resins?
A: It is formulated for optimal performance with LDPE, LLDPE, and HDPE, including both virgin and recycled PE streams. Compatibility with specific grades should be verified through lab-scale trials due to variations in resin melt flow, density, and additive packages.
Q3: What is the typical dosage range for Cabot PE4861 in PE formulations?
A: Dosage depends on the target properties—such as color strength, UV protection level, or conductivity—but it is generally used at low concentrations, typically ranging from 0.1% to 2% by weight of the final compound.
Q4: Does Cabot PE4861 require drying before processing?
A: No—Cabot PE4861 is supplied in a free-flowing, pelletized form with low moisture content and is ready for direct use in standard PE processing equipment without pre-drying under typical ambient conditions.
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