Understanding the Rheological Precision, Pigment Dispersion Mechanics, and Economic Optimization Required for High-Speed Spunbond & Meltblown Mask Production.
Our proprietary twin-screw co-rotating compounding process guarantees pigment particle distribution below 1.5 microns. This eliminates spinneret orifice clogging and drastically reduces Filter Pressure Value (FPV < 0.5 bar/g).
Formulated with tailored melt flow indexes (MFI from 15 to 45 g/10min), matching base PE/PP matrix polymers precisely to prevent phase separation, fiber breakage, and uneven denier counts during high-speed spinning.
Fully compliant with ISO 9001:2015, REACH, RoHS, and FDA skin-contact regulations. Engineered for surgical face masks, N95 respirators, and sanitary non-woven products requiring zero skin irritation.
How Changzhou Jiazhou Leverages Industrial Clusters, Advanced Extrusion Metallurgy, and Direct Carrier Sourcing to Deliver Unbeatable Cost-to-Performance Ratios.
Located in Changzhou, Jiangsu Province—the core manufacturing nexus of East China—Changzhou Jiazhou Plastic Products Co., Ltd. profits directly from upstream raw material integration. By procuring premium low-density polyethylene (LDPE), linear low-density polyethylene (LLDPE), and organic pigments directly from mega-scale petrochemical refineries, we maintain a raw material cost efficiency that competitors in Western or Southeast Asian regions cannot replicate.
Our facility houses 12 high-torque twin-screw compounding lines capable of operating at continuous high throughput. This massive scale allows us to offer affordable, high-concentration PE masterbatch formulations tailored specifically for non-woven polypropylene and polyethylene spunbond production lines.
Key performance indicators validating Changzhou Jiazhou's operational supremacy in polyolefin masterbatch manufacturing.
The Shift Toward Functionalized Protective Non-Wovens, Eco-Friendly Bio-PE Carriers, and Micro-Denier Fiber Spinning Technologies.
Driven by global carbon-neutral mandates, we offer bio-based PE and ultra-low carbon footprint masterbatches designed to integrate seamlessly into biodegradable non-woven agricultural and medical webs.
Modern mask and gown manufacturers require more than color. Our masterbatches combine high opacity pigments with permanent anti-static, hydrophobic, and anti-microbial additive packages in a single masterbatch pellet.
As non-woven fibers shift toward sub-micron denier diameters for high-filtration N95/N99 media, our sub-micron color masterbatches ensure zero fiber rupture even at line speeds exceeding 800 m/min.
Comparative technical parameters for Changzhou Jiazhou non-woven grade masterbatches versus standard plastic coloring grades.
| Parameter Metric | Standard Film Grade | Jiazhou Mask Non-Woven Grade | Testing Standard |
|---|---|---|---|
| Carrier Base Polymer | Generic LDPE | Narrow MWD Virgin PE/PP | ASTM D1238 |
| Melt Flow Index (190°C / 2.16kg) | 5 - 12 g/10min | 25 - 45 g/10min | ISO 1133 |
| Filter Pressure Value (FPV) | > 2.5 bar/g | < 0.45 bar/g | EN 13900-5 (14μm filter) |
| Heat Stability Rating | 200°C - 220°C | 260°C - 280°C | DIN EN 12877-2 |
| Pigment Dispersion Particle Size | < 5.0 microns | < 1.2 microns | Laser Particle Analyzer |
| Lightfastness (Blue Wool Scale) | Grade 5 - 6 | Grade 7 - 8 | ISO 105-B02 |
Delivering Customized Coloration and Functional Masterbatch Performance Across Global Hygiene, Agricultural, and Industrial Fiber Verticals.
Medical blue, surgical green, and pristine white non-woven spunbond layers require exceptional color uniformity without compromising breathable pore structure.
Used extensively in sanitary napkin backsheets, baby diaper cuffs, adult incontinence non-wovens, and wet wipes requiring soft tactile feel.
Heavy-duty non-woven fabrics deployed for crop protection frost covers, weed control barriers, and civil engineering reinforcement webs.
How Procurement Officers Evaluate Masterbatch Quality, Mitigate Supply Chain Risk, and Ensure Regulatory Compliance.
Ensure the masterbatch carrier melt index matches your base PP or PE resin within ±10%. Mismatched viscosity results in poor dispersion, melt fracture, and high filter pressure spikes.
Demand a DIN EN 13900-5 test report. High quality mask non-woven masterbatch must achieve an FPV under 0.5 bar/gram to prevent premature line shutdowns and filter mesh replacement.
Verify that products are certified free of heavy metals (Lead, Cadmium, Hexavalent Chromium), phthalates, bisphenol A (BPA), and polycyclic aromatic hydrocarbons (PAHs).
Our quality control spectrophotometers maintain a strict color difference limit of ΔE < 0.8 compared to approved master samples, guaranteeing flawless color matching.
Expert Answers to Common Engineering and Procurement Queries Regarding Polyethylene Masterbatch Sourcing.
Using a specialized PE carrier masterbatch in PP non-woven spunbond production improves pigment wet-out and lowers processing temperatures. Polyethylene exhibits superior flexural ductility and melt flow characteristics at lower thermal shear, allowing high pigment loading (up to 70%) while serving as an effective lubricant during extrusion. When blended at 1% - 3% dosage, PE carrier masterbatch distributes evenly throughout the PP matrix without causing phase separation or weakening fiber tensile strength.
Our cost advantage stems from three factors: (1) Geographic placement in Changzhou's polymer cluster, providing direct wholesale access to Sinopec and PetroChina resin feedstocks; (2) High-capacity continuous twin-screw extrusion lines running automated dosing systems that minimize labor and energy overhead; and (3) Direct manufacturer-to-buyer sales models that eliminate export agent markups. Quality is strictly guarded by ISO 9001:2015 labs testing every batch for melt index, filter pressure value, and color delta.
Spinneret clogging occurs when poorly dispersed pigment agglomerates, un-melted carrier wax, or inorganic impurities block micro-holes (often 0.2mm to 0.4mm in diameter). This causes fiber breakage, uneven fabric GSM, and costly downtime. Changzhou Jiazhou prevents this by utilizing triple-stage melt filtration during compounding and selecting organic pigments with sub-micron primary particle dimensions, guaranteeing a Filter Pressure Value (FPV) below 0.45 bar/g.
Standard dosage ranges between 1.0% and 3.0% depending on required color depth and fabric thickness (GSM). For medical surgical blue face mask outer layers (typically 25 GSM), a 1.5% to 2.0% let-down ratio yields rich opacity and complete visual coverage. For light pastel shades, dosages as low as 0.8% are achievable due to our high-concentration formulation.
Yes. All Jiazhou non-woven masterbatches undergo rigorous 3rd-party laboratory testing to certify compliance with EU REACH Regulation (EC) No 1907/2006, RoHS Directive 2011/65/EU, FDA 21 CFR 177.1520 (olefin polymers), and OEKO-TEX Standard 100 for human-ecological safety in apparel and sanitary materials.
We provide precision Pantone and RAL color matching within 48 to 72 hours upon receiving your physical fabric or pellet sample. Our minimum order quantity (MOQ) starts at 500 kg for standardized stock colors (Blue, White, Black, Green) and 1,000 kg for custom shade formulations, shipped in moisture-proof 25 kg heavy-duty PE bags or 1-ton jumbo bags.
