Explore our high-concentration color and filler masterbatches optimized for blown film, injection molding, and continuous pipe extrusion.
Decoding Jetness, Particle Size Distribution, and Rheological Melt Behavior for Premium Class A Plastic Finishes.
The visual quality of high-gloss polyethylene (PE) masterbatch is defined by jetness (deep black intensity) and surface specular gloss. At Changzhou Jiazhou Plastic Products Co., Ltd., our engineering team selects premium furnace and gas carbon blacks featuring nanoscale primary particle sizes ranging between 15 nm and 25 nm. Smaller primary particles absorb a higher fraction of visible spectrum light, reducing light scattering and yielding ultra-low CIE L* color values (L* < 4.5). Controlled specific surface area (BET > 110 m²/g) ensures maximum tinting strength while maintaining optimized melt flow kinetics during high-speed extrusion.
Achieving defect-free, mirror-like surfaces requires perfect compatibility between the masterbatch carrier matrix and the host polymer. We formulate our black masterbatch utilizing premium virgin Low-Density Polyethylene (LDPE), Linear Low-Density Polyethylene (LLDPE), and specialized High-Density Polyethylene (HDPE) carrier grades. By matching the Melt Flow Index (MFI) of the carrier resin (ranging from 12 g/10min to 45 g/10min at 190°C/2.16kg) to the customer’s target substrate, our masterbatch eliminates interfacial shear stress, die swell, and micro-roughness, preventing surface dullness, haze, or orange-peel defects in injection molding.
Pioneering Next-Generation Nano-Dispersion, Bio-Carriers, and Circular Polymer Formulations for 2025–2030.
Traditional compounding techniques frequently suffer from pigment agglomeration, leading to pinholes and surface streakiness. Jiazhou utilizes proprietary titanate and organosilane coupling agents that chemically coat the carbon black surface. This surface modification lowers surface energy, enhances wetting inside the PE melt, and eliminates agglomerates down to < 5 microns, unlocking maximum specular gloss retention and tear strength in thin blown films.
In response to global decarbonization mandates, our R&D center has developed eco-friendly black masterbatch formulations incorporating Post-Consumer Recycled (PCR) PE and bio-based polyethylene carriers derived from sugarcane ethanol. Combined with low-carbon black pigments, these masterbatches enable automotive and packaging OEMs to lower product carbon footprints by up to 35% while keeping surface gloss unimpaired.
High-temperature processing (above 260°C) often causes thermal degradation, polymer cross-linking, and VOC gas evolution, which creates micro-voids on plastic surfaces. Jiazhou integrates secondary phosphite antioxidants and hindered phenol thermal stabilizers, preventing polymer matrix degradation during prolonged residence times in large injection molding tools.
| Technical Parameter | Standard Black Masterbatch | Jiazhou High Gloss PE Grade | Test Standard / Method |
|---|---|---|---|
| Carbon Black Content (%) | 30% - 40% | 40% - 50% High Loading | ASTM D1603 / TGA ISO 11358 |
| Primary Particle Size (nm) | 35 nm - 50 nm | 15 nm - 22 nm (High Jetness) | Transmission Electron Microscopy (TEM) |
| Gloss Level (60° Angle) | 75 - 85 GU | > 95 GU (Mirror Finish) | ASTM D523 / ISO 2813 |
| Filter Pressure Value (FPV) | > 2.5 bar/g | < 0.8 bar/g (Ultra-Fine Dispersion) | EN 13900-5 (14 Micron Mesh) |
| Heat Resistance (°C) | 220°C - 240°C | 260°C - 300°C Continuous | DIN EN 12877-2 |
Engineered Masterbatch Formulations Tailored for Critical Performance Requirements Across Global Sectors.
Automotive body claddings, wheel arch trim, bumper grilles, and mirror housings demand strict weatherability and Class-A surface aesthetics. Jiazhou high-gloss black PE masterbatch features HALS (Hindered Amine Light Stabilizers) that protect polymer chains against UV degradation, weathering embrittlement, and color fading, maintaining deep obsidian gloss under harsh climatic exposure.
Modern home appliances, smart TV bezels, audio enclosures, and personal electronics require high jetness without surface flow lines. Our masterbatch provides non-conductive, anti-static properties options alongside high melt flow performance, ensuring thin-walled injection molding cavities are filled seamlessly without structural weld lines.
For co-extruded multi-layer blown films (ABA, ABC structures), high opacity and barrier properties are critical. Our black PE masterbatches deliver total light blocking capability at low let-down ratios (2% to 4%), high puncture resistance, and seamless heat-sealing compatibility for high-speed shipping envelopes and heavy-duty sacks.
In municipal HD-PE pipe lines and agricultural drip irrigation networks, uniform carbon black dispersion prevents environmental stress cracking (ESCR). Our masterbatch meets ISO 6964 standards, assuring fine carbon black distribution (< Grade 3) that shields pipes from long-term UV oxidation for over 50 years of service life.
Formulated with high-purity virgin LDPE resin and carbon black grades low in polycyclic aromatic hydrocarbons (PAHs), Jiazhou masterbatches comply with stringent European EU 10/2011 regulations and U.S. FDA 21 CFR standards for direct food contact and cosmetic packaging applications.
Thick-gauge PE sheet extrusion demands consistent melt thermal stability and zero gelling. Our specialized compounding process ensures high masterbatch thermal endurance, preventing melt fracture during thermoforming into deep-draw industrial containers, tote trays, and automotive liners.
Inside Changzhou Jiazhou Plastic Products Co., Ltd. — 6,000m² Production Capacity, Smart Compounding, and Quality Assurance.
Located in the chemical and plastic processing hub of Changzhou, Jiangsu, our facility operates state-of-the-art high-torque co-rotating twin-screw extruders featuring optimized L/D ratios (Length-to-Diameter 44:1 to 48:1). Multi-stage side feeders and specialized kneading block elements impart immense dispersive shear, breaking carbon black agglomerates down to nanoscale dimensions without degrading the backbone of the PE carrier polymer.
Equipped with automatic gravimetric loss-in-weight feeders, our dosing systems maintain dosing accuracy within ±0.2%. This guarantees lot-to-lot color consistency, eliminating shade variations between production batches.
Quality control at Jiazhou is integrated directly into the production line. Every batch of high-gloss black masterbatch undergoes rigorous testing in our modern analytical laboratory, including:
Streamlined Purchasing Architecture for Procurement Directors, Quality Managers, and Import Distributors.
All Jiazhou products are manufactured under strict ISO 9001:2015 quality management systems. Our masterbatches fully comply with international environmental mandates, including EU RoHS 2.0 (Directive 2011/65/EU), REACH SVHC (Substances of Very High Concern), Heavy Metal Restrictions (EN 71-3 for Toy Safety), and Halogen-Free requirements (IEC 61249-2-21).
Capitalizing on Changzhou's strategic proximity to Shanghai Port and Ningbo Port, Jiazhou provides seamless containerized FOB, CIF, and DDP shipments. We maintain dedicated inventory buffers for standard color and black masterbatch grades, allowing standard orders to ship within 7 to 15 days worldwide.
Need a custom color, specific let-down ratio (LDR), or functional additive integration (e.g., UV + High Gloss Black)? Our engineering lab offers rapid custom color matching within 3–5 business days. Free testing samples (1kg - 5kg) are dispatched via international courier alongside detailed technical data sheets (TDS) and safety data sheets (MSDS).
Expert Engineering Answers to Common Technical and Sourcing Questions regarding PE Masterbatches.
Browse our extensive color masterbatch range featuring specialized pigment loadings, anti-fading properties, and high heat resistance.
