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Highly dispersed carbon black pigment for consistent color development and excellent jetness.
Optimized for polyethylene (PE) resins, ensuring superior melt compatibility and process stability.
Low dust formulation with enhanced handling safety and reduced operator exposure risk.
Excellent thermal stability for high-output extrusion and injection molding processes.
Reproducible rheology profile enabling precise dosing and minimal batch-to-batch variation.
Blow-molded HDPE containers for food and chemical packaging.
Extruded PE pipes and fittings requiring UV resistance and long-term color retention.
Injection-molded consumer goods such as crates, pallets, and storage bins.
Rotational molded tanks and industrial parts exposed to outdoor environments.
Thin-gauge PE films where uniform dispersion and low haze are critical.
| Chemical Type | Carbon black–based masterbatch |
| Product Form | Free-flowing granules |
| Appearance | Black, uniform cylindrical pellets |
| Base Resin | Linear low-density polyethylene (LLDPE) |
| Carbon Black Loading | 25 ± 1 wt% |
| Melt Flow Rate (190°C/2.16 kg) | 18–22 g/10 min |
| Typical Density | 0.95–0.97 g/cm³ |
| Key Features | Jetness, dispersion stability, low volatility, FDA-compliant for indirect food contact (per 21 CFR 178.3210) |
Q1: What is the primary function of Cabot PE6249 Masterbatch in polyethylene applications?
A: Cabot PE6249 Masterbatch is a carbon black–based concentrate designed to provide consistent coloration, UV stabilization, and enhanced conductivity control in polyethylene compounds—particularly for blow-molded and extruded packaging, agricultural films, and industrial liners.
Q2: Is Cabot PE6249 compatible with all types of polyethylene resins?
A: Cabot PE6249 is specifically formulated for use with LDPE, LLDPE, and HDPE. Compatibility with specialty or highly branched PE grades should be confirmed through preliminary dispersion and performance testing under intended processing conditions.
Q3: How should Cabot PE6249 be incorporated into the base polymer?
A: It is typically introduced via gravimetric or volumetric feeders during extrusion or injection molding. Good dispersion is achieved using standard melt-processing equipment; pre-drying is not required, but storage in a cool, dry environment is recommended to maintain flowability.
Q4: Does Cabot PE6249 meet regulatory requirements for food-contact applications?
A: Cabot PE6249 is manufactured using food-grade carbon black and carrier resin compliant with major global food-contact regulations for polyolefins. Final compliance depends on full formulation, processing conditions, and end-use application—and must be verified by the compounder or end user against applicable jurisdictional requirements.
Q5: What is the typical dosage range for Cabot PE6249 in PE compounds?
A: Dosage generally ranges from 0.1% to 2% by weight, depending on the desired level of color strength, UV protection, or conductivity modification. Optimal loading should be determined empirically based on processing method, equipment, and final performance targets.
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