Discover our specialized range of high-concentration polyethylene masterbatches engineered for blown film, injection molding, and complex food contact laminate applications.
Understanding how carrier matrix purity, non-migrative pigment choices, and thermal processing stability eliminate additive bloom and die-lip accumulation in high-speed extrusion lines.
In automated flexible food packaging, extrusion blowing, and rigid container thermoforming, traditional polyolefin color masterbatches often suffer from additive precipitation (plate-out). Low-molecular-weight waxes, low-purity dispersants, and migrating pigments deposit onto die lips, chill rolls, and corona treaters. This results in film hazing, pinhole defects, poor heat-sealability, and potential chemical transfer into food simulants.
Our engineered Low Precipitation PE Masterbatch utilizes hyper-pure virgin low-density polyethylene (LDPE/LLDPE) carriers combined with hyperdispersant polymer technology. By encapsulating organic and inorganic pigments inside a fully compatible polyolefin lattice, we eliminate surface blooming, ensuring pristine surface tension for lamination and gravure printing.
Pioneering sustainable, low-emission colorants and functional additive integration for post-consumer recycled (PCR) plastics and biodegradable food packaging films.
Traditional masterbatches rely on low-molecular-weight polyethylene waxes that migrate over time to the film surface. Our next-generation formulation substitutes low-MW waxes with high-viscosity reactive polyolefin oligomers and functionalized metallocene PE carriers. This binds pigments tightly into the polymer backbone, guaranteeing zero migration under pasteurization and retort sterilization conditions.
As global regulations enforce 30%+ Post-Consumer Recyclate (PCR) in food packaging, color consistency and odor control become primary hurdles. Our low-precipitation masterbatches include built-in antioxidant complexes and odor-scavenging organoclays that neutralize degraded PCR volatiles while stabilizing color intensity across multiple melt-reprocessing loops.
In response to global bans on per- and polyfluoroalkyl substances (PFAS), our R&D lab has engineered fluoropolymer-free masterbatches containing specialized inorganic silica nano-spheres and food-grade synthetic esters. These eliminate melt fracture (sharkskin) in blown film extrusion without introducing migratable organofluorine compounds.
Conventional black masterbatches absorb Near-Infrared (NIR) light in automated recycling sorting facilities, rendering food trays undetectable. Our low-precipitation food-grade black masterbatches utilize specialty non-absorbing pigments, enabling full optical recyclability in municipal MRFs while preserving high opacity and heat resistance.
From high-speed automated extrusion to delicate aseptic liquid packaging, explore how our technical masterbatches meet rigorous application demands.
Milk pouches, liquid yogurt cartons, and aseptic bag-in-box systems require complete sensory neutrality. Our low-precipitation white (TiO₂) and black masterbatches prevent light-induced oxidation of milk proteins while passing stringent organoleptic taste/smell tests (DIN 10955).
Designed for 5-layer and 7-layer PE/PA/EVOH co-extrusion films used in meat, cheese, and modified atmosphere packaging (MAP). Maintains interlayer bond strength without causing delamination or fogging over extended refrigerated shelf life.
Engineered for high-speed injection molding of HDPE beverage caps and PP food tubs. Offers dimensional stability, zero warpage, low coefficient of friction (COF), and smooth torque removal for commercial capping machines.
Providing comprehensive technical dossier packages, certificate of analysis (COA), and regulatory declarations for seamless international food contact approval.
| Regulatory Body / Standard | Region / Jurisdiction | Compliance Parameter | Jiazhou Masterbatch Guarantee |
|---|---|---|---|
| FDA 21 CFR 177.1520 | United States / Global | Olefin Polymer food contact limits | Passed all extractable fractions in n-hexane and xylene. |
| EU Regulation (EU) No 10/2011 | European Union | Plastic materials in contact with food (SML/OML) | Specific Migration Limits tested via independent SGS/TÜV labs. |
| China GB 4806.6 & GB 9685 | China Mainland | National Food Safety Standard for Plastic Resins/Additives | 100% positive list pigments; zero unauthorized additives. |
| RoHS Directive 2011/65/EU | Global | Heavy metal content (Pb, Cd, Hg, Cr VI, PBB, PBDE) | Heavy metals below 10 ppm detection limits. |
| REACH (EC) No 1907/2006 | Europe | Substances of Very High Concern (SVHC) | Zero SVHC content among the latest 235+ candidate lists. |
Combining high-capacity twin-screw extrusion, automated gravimetric dosing, and real-time color spectro-analysis to deliver premium masterbatch at unbeatable cost efficiency.
Our Changzhou facility operates 12 automated high-torque twin-screw extrusion lines featuring specialized screw elements designed for shear-sensitive organic pigments. This guarantees homogeneous dispersion without thermal degradation of the PE carrier resin.
Eliminates batch-to-batch variation. Micro-dosing feeders feed pigments, antioxidants, and carrier polymers with accuracy down to ±0.1%, ensuring precise pigment let-down ratios (LDR) for downstream packaging converters.
Every lot is subjected to dual-stage quality testing: Melt Flow Index (MFI) verification according to ASTM D1238, filter pressure testing (EN 13900-5), and spectrophotometric color matching maintaining ΔE < 0.5 under D65 lighting.
How to select the right Melt Flow Index (MFI) and pigment let-down ratio (LDR) for your primary polymer resin systems.
| Target Process | Base Polyolefin Resin | Recommended Masterbatch MFI (g/10min) | Typical Let-Down Ratio (LDR) | Recommended Masterbatch Color Grade |
|---|---|---|---|---|
| High-Speed Blown Film (<25 microns) | LLDPE / LDPE / mLLDPE | 15 – 25 (at 190°C/2.16kg) | 1.0% – 3.0% | PE White / Yellow / Blue High-Dispersion Series |
| Heavy-Duty Sac / Agricultural Packaging | HDPE / LLDPE | 8 – 15 (at 190°C/2.16kg) | 2.0% – 4.0% | PE Black / Grey High-Opacity Series |
| Thin-Wall Food Container Injection | PP Homopolymer / Random Copolymer | 25 – 45 (at 190°C/2.16kg) | 1.5% – 3.0% | PE/PP Universal High-Flow Masterbatch |
| Aseptic Closure & Cap Molding | HDPE (Organoleptic Grade) | 12 – 20 (at 190°C/2.16kg) | 1.0% – 2.5% | Low Precipitation Anti-Plate-Out Masterbatch |
Direct engineering answers to common inquiries regarding additive migration, food contact safety, custom color matching, and storage parameters.
Engineered for extreme thermal stability up to 260°C – 300°C, zero color fading, and high weatherability across all major polyolefin processing techniques.
Connect directly with our polymer formulation engineers to request free laboratory test samples, technical datasheets (TDS), safety datasheets (SDS), and custom color matching services.
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