Premium grade pigment & filler concentrates engineered for blown film, injection molding, and industrial extrusion.
Analyzing the paradigm shift in industrial plastic additive procurement across international supply chains.
International plastic processors in North America, Europe, Southeast Asia, and the Middle East are shifting from local compounding distributors to direct OEM factory sourcing in China. High-throughput co-rotating twin-screw extruders and automated gravimetric dosing enable Chinese suppliers to offer superior pigment dispersion at unmatched cost efficiencies.
Modern B2B cross-border platforms enable direct digital technical audits, spectral shade verification, sample dispatch within 48 hours, and transparent container-load logistics tracking. Purchasing engineers can request custom color formulations matched against Pantone, RAL, or physical polymer target chips seamlessly.
Changzhou Jiazhou Plastic Products Co., Ltd. brings 16 years of specialized manufacturing experience, operating a 6,000m² standardized facility. Exporting to 100+ countries, every production run complies with ISO9001 quality protocols, REACH regulations, and RoHS heavy-metal-free safety standards.
Deep-dive into carrier resin selection, pigment dispersion physics, and thermal degradation prevention.
The rheological performance of a masterbatch depends heavily on selecting a carrier resin with compatible Melt Flow Index (MFI) and density compared to the base virgin polymer. Changzhou Jiazhou utilizes high-purity virgin Low-Density Polyethylene (LDPE) and Linear Low-Density Polyethylene (LLDPE) carriers with MFI values ranging from 20 g/10min to 50 g/10min (190°C/2.16kg).
Poorly dispersed pigment agglomerates cause pinholes, screen-pack clogging, and stress concentration points in finished plastic products. Jiazhou utilizes continuous co-rotating twin-screw compounding extruders equipped with high-shear kneading blocks to achieve sub-micron pigment particle distribution.
| Product Category | Carrier Base | Pigment / Content % | Melt Flow Index (g/10min) | Heat Resistance (°C) | Light Fastness (Blue Wool) | Primary Application |
|---|---|---|---|---|---|---|
| PE Black Masterbatch | LDPE / LLDPE | 40% - 55% Carbon Black | 12 - 35 (190°C/2.16kg) | 260°C - 280°C | Grade 7 - 8 | Geomembranes, Pipes, Mulch Film |
| PE White Masterbatch | Virgin LLDPE | 50% - 70% Rutile $TiO_2$ | 15 - 40 (190°C/2.16kg) | 260°C - 300°C | Grade 8 | Courier Bags, Milk Packaging, Bottles |
| PE Color Masterbatch | Universal PE | 20% - 45% Organic Pigment | 18 - 45 (190°C/2.16kg) | 240°C - 260°C | Grade 6 - 7 | Toys, Household Plastics, Caps |
| CaCO₃ Filler Masterbatch | Homo PE / PP | 75% - 85% Fine $CaCO_3$ | 2.5 - 15 (190°C/5.0kg) | 240°C - 260°C | N/A | Cost Reduction in Film & Woven Sacks |
Leveraging China's world-class chemical manufacturing ecosystem for maximum economic and technical advantage.
Equipped with Datacolor spectrophotometers and computerized formulation software, our R&D laboratory delivers exact color matches ($\Delta E < 0.5$) within 48 hours of receiving physical polymer samples or digital LAB color coordinates.
Operating multiple continuous extruders in our 6,000m² facility allows annual production volumes exceeding 25,000 metric tons. Economy of scale significantly lowers unit production costs, passing direct savings to overseas buyers.
Located in Changzhou, Jiangsu, our plant enjoys strategic proximity to Shanghai Port and Ningbo Port. Fast customs clearance, standardized export packaging (25kg moisture-proof bags / Jumbo bags), and 15-day order lead times guarantee supply continuity.
Engineered formulations optimized for blown film, injection molding, profile extrusion, and packaging.
Designed specifically for multi-layer co-extrusion and single-layer blown films including shopping bags, agricultural mulch, stretch hood films, and e-commerce express mailers. Provides complete opacity, zero film bubbles, high tear resistance, and smooth surface finish.
Ideal for high-speed injection molding of household containers, bottle caps, industrial crates, automotive interior trim, and toys. Formulated to minimize thermal shrinkage variation, prevent part distortion/warpage, and maintain consistent mechanical strength.
Tailored for HDPE water pipes, gas conduit, drainage tubes, and outdoor architectural profiles. Incorporates specialized UV stabilizers (HALS) and P-type carbon black to protect plastics against outdoor weathering and photo-oxidative degradation for 20+ years.
Step-by-step framework for international buyers to audit, sample, and finalize bulk masterbatch contracts.
Specify base polymer (LDPE, LLDPE, HDPE, PP), target MFI, processing temperature, and wall thickness.
Receive Lab Color Sample chips, verify $\Delta E$, perform filter test value (FTV) and thermal stability screening.
Review heavy metal compliance certificates (RoHS, REACH SVHC, FDA food contact grade, EN71-3 toy safety).
Contract production with COA (Certificate of Analysis) per batch, dispatched in moisture-proof palletized packaging.
Direct answers from our senior compounding technologists regarding masterbatch selection, dosing, and cross-border purchasing.
Direct procurement eliminates local importer markups, agent fees, and redundant warehouse handlings. By working directly with a compounding factory like Changzhou Jiazhou, global buyers access raw material scale pricing (titanium dioxide, organic pigments, carbon black) and automated high-throughput production, cutting total landed raw material costs by up to 35% without sacrificing quality.
The typical let-down ratio ranges between 1% and 4%, depending on product thickness and pigment opacity requirements. For thin blown films (<20 microns), an LDR of 2% to 3% of high-concentration masterbatch provides full hiding power. For heavy-duty injection molding, an LDR of 1% to 2% is generally sufficient due to high pigment loading.
We employ strict raw material inspection protocols, loss-in-weight gravimetric dosing feeders, and continuous computerized spectrophotometer color analysis (Datacolor). Every production lot generates a Certificate of Analysis (COA) guaranteeing a color tolerance of $\Delta E < 0.5$ against the approved golden control sample.
PE carrier masterbatch is universally compatible with Polyethylene (LDPE, LLDPE, HDPE) and highly compatible with Polypropylene (PP) in most blown film, injection, and sheet extrusion processes due to chemical polyolefin similarity. However, for engineering polymers like ABS, PS, or PC, dedicated carrier masterbatches are recommended to avoid interfacial phase separation or reduction in mechanical impact strength.
Our PE color masterbatches and black/white concentrates are stabilized with secondary antioxidants and heat-resistant inorganic/organic pigments rated up to 260°C - 300°C. This prevents polymer degradation, color shift, or smoking during high-speed extrusion lines or hot-runner injection molding machines.
International buyers can submit Pantone / RAL color codes or ship physical target plastic parts directly to our Changzhou factory lab. We formulate, extrude, and dispatch 1kg - 5kg testing samples via express air courier within 3-5 business days along with technical datasheet (TDS) and safety data sheet (SDS).
Click any product below to view technical specifications, MSDS sheets, and request custom FOB/CIF quotes.
