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Highly dispersed carbon black pigment system optimized for PET resin processing.
Excellent thermal stability up to 280 °C, minimizing degradation during high-speed PET extrusion and injection molding.
Low dust formulation with proprietary carrier matrix, enhancing operator safety and handling efficiency.
Consistent color strength and batch-to-batch reproducibility certified under ISO 9001 manufacturing controls.
Compatible with standard PET drying and melt-processing conditions without requiring process adjustments.
PET beverage bottles (including water, carbonated soft drinks, and juice containers).
Food-grade PET trays and clamshell packaging for fresh produce and ready-to-eat meals.
Technical PET films used in metallized barrier packaging and label substrates.
Engineered PET components requiring UV absorption and electrostatic dissipation properties.
Recycled PET (rPET) applications where pigment compatibility with contaminants and additives is critical.
| Chemical Type | Carbon black–based masterbatch for polyethylene terephthalate (PET) |
| Product Form | Free-flowing cylindrical pellets |
| Appearance | Jet-black, uniform pellets with no visible specks or agglomerates |
| Primary Applications | Coloration and functional enhancement of PET packaging and engineering parts |
| Key Features | Thermal stability, low dust, high dispersion, rPET compatibility |
| Recommended Let-down Ratio | 1.5–3.0 wt% depending on final color depth and application requirements |
| Carrier Resin | Virgin PET homopolymer (intrinsic viscosity: 0.78–0.82 dL/g) |
| Storage Conditions | Store in original sealed packaging at ≤30 °C and <60% relative humidity |
Q1: What is the primary function of Cabot PE6318 in PET applications?
A: Cabot PE6318 is a carbon black–based masterbatch engineered to provide consistent black coloration, UV stabilization, and enhanced conductivity control in PET resins—particularly for packaging, fibers, and engineering-grade injection-molded parts.
Q2: Is Cabot PE6318 compatible with standard PET processing methods?
A: Yes—it is specifically formulated for compatibility with common PET processing techniques including injection molding, extrusion, and fiber spinning. It exhibits good dispersion stability and thermal stability up to typical PET melt processing temperatures.
Q3: How should Cabot PE6318 be dosed during compounding or production?
A: Dosage depends on formulation requirements and desired performance attributes, but it is typically used at low concentrations—generally ranging from 0.1% to 2% by weight—depending on the target blackness level, UV protection needs, and conductivity profile.
Q4: Does Cabot PE6318 meet food contact compliance requirements?
A: Cabot PE6318 is designed for use in applications where regulatory compliance is required; however, final food contact suitability depends on the full formulation, processing conditions, and applicable regional regulations. Customers are advised to validate compliance through their own regulatory assessment and testing protocols.
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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
