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Highly concentrated carbon black dispersion for consistent pigment performance and color strength.
Optimized for polyolefin matrices, delivering excellent melt flow and processing stability.
Low dust formulation enhances workplace safety and reduces handling contamination.
Excellent UV resistance and long-term thermal stability in extrusion and injection molding processes.
Reproducible batch-to-batch consistency supported by Cabot’s stringent quality control protocols.
Automotive interior components (dashboards, trim, under-hood parts).
Packaging films requiring high opacity, UV protection, and FDA-compliant black shade.
Household appliances housings and structural parts.
Industrial containers and material handling equipment.
Geosynthetic liners and agricultural mulch films.
| Chemical Type | Carbon black masterbatch |
| Product Form | Free-flowing granules |
| Appearance | Uniform black pellets |
| Base Polymer | PP (polypropylene) |
| Carbon Black Loading | 25 wt% (typical) |
| Density | 1.15–1.25 g/cm³ |
| Melt Flow Index (MFI) | 25–35 g/10 min @ 230°C/2.16 kg |
| Key Features | High dispersion, low volatility, low extractables |
Q1: What is Cabot LL3608 Masterbatch primarily designed for?
A: Cabot LL3608 is a high-performance carbon black masterbatch engineered for polyolefin applications—especially thin-gauge films, blow-molded containers, and injection-molded parts—where consistent jetness, excellent dispersion, and low haze are critical.
Q2: How does LL3608 differ from standard carbon black masterbatches in terms of processing performance?
A: LL3608 features a proprietary carrier system and optimized carbon black structure that enhances melt flow stability and reduces die buildup during high-output extrusion or injection molding—particularly beneficial in demanding film and fiber applications.
Q3: What is the typical dosage range for Cabot LL3608 in polypropylene or polyethylene formulations?
A: Dosage depends on the target color strength, substrate thickness, and processing conditions—but it is generally used at low concentrations, typically ranging from 0.1% to 2% by weight, to achieve deep black with minimal impact on mechanical properties.
Q4: Is Cabot LL3608 suitable for food-contact applications?
A: Cabot LL3608 is formulated using FDA-compliant raw materials and is intended for use in food-contact plastics where permitted by applicable regulatory frameworks; final compliance requires validation within the specific end-use formulation and processing conditions.
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E-mail: wangxingqiang@ericwchem.com
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