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Highly dispersed carbon black pigment for consistent color development and excellent jetness.
Optimized for polyethylene (PE) resin systems, ensuring superior melt processability and low pressure build-up.
Low dust formulation enhances workplace safety and operator handling during feeding and blending.
Excellent thermal stability supports high-speed extrusion and blow molding without pigment degradation.
Compatible with both LDPE and HDPE matrices, delivering uniform dispersion across diverse PE grades.
Black-colored HDPE pipes for potable water and gas distribution.
LDPE/LLDPE blown films used in agricultural mulch and packaging sacks.
PE injection-molded containers including drums, crates, and industrial totes.
Rotomolded tanks and large-volume storage vessels requiring UV protection and aesthetic consistency.
Extruded profiles such as fencing, decking, and geomembranes.
| Chemical Type | Carbon black masterbatch for polyethylene |
| Product Form | Free-flowing granules |
| Appearance | Jet-black, uniform granules |
| Carrier Resin | LDPE (melt flow index 2–4 g/10 min, 190°C/2.16 kg) |
| Carbon Black Loading | 25 wt% (typical) |
| Typical Density | 1.08–1.12 g/cm³ |
| Key Features | Low dust, high dispersion, PE-specific compatibility |
| Primary Applications | Pipes, films, blow molded & rotomolded PE products |
Q1: What is the primary function of Cabot PE6251 Masterbatch in polyethylene applications?
A: Cabot PE6251 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 such as containers, pipes, and geomembranes.
Q2: Is Cabot PE6251 suitable for food-contact polyethylene applications?
A: Yes, Cabot PE6251 is formulated using carbon black grades compliant with global food-contact regulations for polyolefins. Its use in food packaging or storage applications should be validated per regional regulatory requirements and final formulation testing.
Q3: How does Cabot PE6251 compare to standard carbon black masterbatches in terms of dispersion performance?
A: Cabot PE6251 features optimized carrier-resin compatibility and surface treatment to support rapid, uniform dispersion in polyethylene melts—even at low shear conditions typical of extrusion and blow molding. This helps minimize specks and improve batch-to-batch consistency without requiring extended mixing times.
Q4: What is the typical dosage range for Cabot PE6251 in PE formulations?
A: Dosage depends on the target properties—such as color depth, UV protection level, or conductivity—but is generally used at low concentrations, typically ranging from 0.1% to 2% by weight in the final compound.
Q5: Can Cabot PE6251 be used in high-speed processing equipment?
A: Yes, it is engineered for robust melt stability and minimal filter pressure buildup during high-output extrusion and injection molding. Its rheology-modified design supports smooth feeding and consistent metering across a wide range of industrial processing conditions.
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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
