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HS Code |
911350 |
| Brand | BASF |
| Product Name | Lupolen LDPE 2221D |
| Polymer Type | Low Density Polyethylene (LDPE) |
| Melt Flow Rate 190 C 2 16kg | 0.25 g/10min |
| Density | 0.922 g/cm³ |
| Tensile Strength At Yield | 10 MPa |
| Elongation At Break | 450% |
| Vicat Softening Temperature | 93°C |
| Shore Hardness D | 42 |
| Flexural Modulus | 220 MPa |
| Typical Applications | Film, extrusion coatings, blow molding |
| Processing Method | Extrusion, Blow Molding |
As an accredited BASF Lupolen LDPE 2221D factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The BASF Lupolen LDPE 2221D is typically packaged in 25 kg white, robust polyethylene bags, printed with BASF branding and product details. |
| Shipping | **BASF Lupolen LDPE 2221D** is typically shipped in 25 kg polyethylene bags, securely stacked on pallets, and wrapped for protection against moisture and contamination. Shipments comply with standard chemical transport regulations and are provided with safety data sheets. Temperature and handling guidelines should be strictly followed to maintain material quality. |
| Storage | **BASF Lupolen LDPE 2221D** should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and sources of ignition. Keep packaging tightly sealed to prevent contamination and moisture absorption. Store at ambient temperature, separating it from strong oxidizing agents and chemicals. Proper storage ensures material quality and helps maintain the processing characteristics of the LDPE resin. |
Applications of BASF Lupolen LDPE 2221D in Industrial ManufacturingBASF Lupolen LDPE 2221D is engineered for demanding industrial processes that require consistent film properties, high purity, and controlled melt behavior. Its specifications address complex downstream production needs across key sectors. Below, we detail several established application areas, outlining compliance frameworks, formulation ratios, process integration, and types of finished products manufactured by global industry leaders. 1. Blown Film for Flexible Food PackagingBlown film manufacturers utilize this LDPE grade to produce monolayer and coextruded films with tight control over thickness, mechanical strength, and optical clarity. The resin’s clean polymerization and controlled additive package support direct food contact requirements in critical packaging segments, such as vacuum pouches, bread bags, and frozen food wraps. Industrial converters optimize extrusion temperature windows and die configurations for predictable bubble stability and film uniformity. This allows downstream customers to meet migration limits and packaging hygiene rules across diverse food supply chains. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
2. Agricultural Greenhouse and Mulch FilmsCommercial agricultural film producers rely on the grade’s chemical purity and controlled melt index for large-scale greenhouse covers and mulch sheets. These films require a balance between light transmission, UV stability, and mechanical stretch to support crop yield and environmental protection goals. Downtime costs necessitate stable extrusion and minimal gel formation, so consistent resin properties are critical. The LDPE resin accommodates additive packages—such as UV absorbers and anti-fog agents—while delivering processability compatible with wide die and high-output film equipment. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
3. Injection Molding for Medical Device Primary PackagingMedical molding facilities demand a high-purity LDPE raw material with well-documented compliance to pharmaceutical packaging standards. The resin’s clarity and low bio-impurity levels enable direct contact applications, including molded closures, dropper bottles, and diagnostic reagent vials. Consistent melt flow ensures the tight dimensional tolerances required for leakage resistance and device integrity throughout the filling and sterilization stages. Traceable production batches and validated process data support risk management audits and ongoing GMP reviews by healthcare customers. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
4. Wire and Cable SheathingInsulation and sheath manufacturers in electrical cable production exploit this LDPE grade’s controlled dielectric strength, process cleanliness, and consistent melt flow in flexible low-voltage cable systems. The polymer matrix permits precise dosing of colorants, flame retardants, and stabilizers, resulting in insulation layers with reliable elongation and stress-crack resistance. This contributes to long-term cable performance in demanding installation environments, including communications, control systems, and domestic lighting where durable, non-conductive sheathing is essential. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
5. Extrusion Coating of Paper and BoardPaper and packaging converters use LDPE in high-speed extrusion laminating equipment to coat paperboard and flexible packaging, providing a heat-sealable, moisture-resistant barrier layer. This application depends on exact melt flow control and polymer dispersion during coating to ensure minimal defects, adhesion consistency, and optimal seal strength in foodservice packaging, disposable cups, and liquid cartons. The resin supports operation at rapid line speeds, helping to maintain edge definition and low odor transfer in the final products. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
6. Industrial Shrink and Stretch FilmFilm extrusion plants utilize the LDPE resin for high-clarity shrink wraps and stretch hood films used in logistics, warehousing, and beverage palletizing. The resin’s elongation at break and stress recovery properties facilitate tight wrapping while withstanding puncture and abrasion during transportation. Stable melt flow and cleanliness prevent line stoppages and film tear during high-output conversion. Producers match resin grade to application thickness, adjusting for climatic requirements and end-user branding needs. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
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Competitive BASF Lupolen LDPE 2221D prices that fit your budget—flexible terms and customized quotes for every order.
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At our plant’s core, we focus on making low-density polyethylene grades that answer the growing demands of industries that need dependable performance and ease of processing. BASF Lupolen LDPE 2221D stands as one of our most trusted products for film production. Speaking as the team directly responsible for the polymerization, extrusion, and quality checks that bring out the best from every batch of 2221D, we know what customers look for in film resins and why certain choices make all the difference along the production line.
Lupolen LDPE 2221D keeps finding its place in operations because of our focus on process consistency, near-zero gel content, and carefully maintained melt flow. Each grade we sell reflects years of tuning our reactors, screening catalysts, and improving filtration steps. In practice, what comes out is a resin with dependable melt flow rate and clarity, easy to extrude and blend on high-speed film lines.
Customers in the packaging field often ask us how 2221D compares to general-purpose LDPE. From direct line experience, the model’s signature is a medium-low melt flow, usually centered around 0.3 g/10 min (190°C/2.16kg), and a balance between flexibility and mechanical strength. This balance sets it apart from grades with either too much stiffness for disposable bags, or too much tackiness for clear, strong film.
Our technicians watch incoming resin for batch consistency. Many recall nights spent monitoring extruder back pressure or sheath temperature variations. 2221D’s particle distribution keeps those headaches away and maintains tear resistance for films that need thin-gauge strength. That’s one reason many makers of hygiene film, shrink wrap, and carrier bags turn to LDPE 2221D: it can run at thinner gauges without frequent ruptures or gels, reducing downtime and waste.
Years on the floor have shown that reliability trumps theoretical peak performance if a resin keeps a line moving with less curling, less neck-in, and consistent thickness. We hear from processors who have shifted away from unbranded LDPE lots because even tiny swings in melt index or gel count result in blown film pinholes or line slowdowns. LDPE 2221D minimizes these risks.
The entire production protocol for this grade aims to reduce off-spec content. Polymer chains are controlled for optimal branching, which protects against fisheyes in the finished film. Each railcar shipped gets tested for dust, oversized particles, and water content. We set up feedback channels so any anomaly at a converter’s facility gets traced directly to the resin batch, not left as a mystery for the operator or maintenance staff.
LDPE’s flexibility comes from its uniquely branched polymer structure. In LDPE 2221D, that structure translates to a resin suitable for blown and cast films that must remain supple after processing. Think food wraps that hold a seal and don’t tear during transport, personal care product packs, protective construction sheets, and bubble film that cushions fragile goods in transit.
One packaging group routinely uses 2221D for shrink film that must wrap irregular-shaped bundles without “zippering” under excess heat. Film lines running this model report fewer web breaks and better gauge control, meaning the customer can run thinner rolls without sacrificing durability. This comes from our effort to keep branching and molecular weight distribution inside tight design windows, not just to meet an average spec but across every lot produced.
Printability stands as another highlight. Converters applying ink or lamination coatings see even, receptive surfaces thanks to the resin’s purity and tailored rheological profile. Long runs of printed bags or sleeves do not clog dies or disrupt ink adhesion, allowing fast changeovers and sharp graphics for branding. For operators aiming to maximize uptime, a clean-running resin quickly pays for itself.
Choosing the right LDPE depends on the relationship between melt flow, density, and end use. We often field questions about why not select higher melt flow alternatives. In day-to-day practice, higher MFI grades may boost line speed in co-extrusion or light-gauge film but can suffer from lower strength and reduced heat resistance. LDPE 2221D is designed to walk the line—sufficient flow to prevent die streaking, but with robust mechanical values that stand up to puncture or tear tests.
Compared with our own higher-density grades, such as those leaning towards medium-density PE, LDPE 2221D remains more ductile and better suited for stretchable films. Medium-density PE will stiffen the film and reduce seal chemistry compatibility. For lower MFI grades often used in heavy-duty sacks, 2221D sits in a sweet spot, handling moderate abuse while staying easy to process.
Regional competitors sometimes offer rebadged LDPE with less scrutiny on gel count or moisture contamination. Decades working with the same equipment has shown us even a slightly elevated gel count can force an operator to clean screens repeatedly, causing costly halts. With 2221D, ongoing investments in process inspection have delivered a resin that helps keep lines clear.
As a chemical manufacturing team, we do not take production shortcuts or ignore regulatory changes. Our materials meet strict food contact and safety requirements in most global jurisdictions, confirmed by periodic compliance audits and customer feedback. Any updates to international or local standards on migration, heavy metals, or environmental safety are tracked in real time by our regulatory group, and plant personnel are briefed on any changes that may call for process adjustment.
At the same time, demands for more sustainable packaging shape our upgrades. LDPE 2221D now gets shipped under reduced-waste bulk systems wherever feasible. We keep design specs compatible with recycling—no foreign pigment or mix-in fillers that complicate post-consumer processing. Over the past decade, we have tuned catalysts and minimized off-gas waste in the reactor phase, reducing the product’s total environmental footprint per ton shipped.
We listen to packaging groups moving toward recyclable mono-material structures. LDPE 2221D provides the clarity and mechanical profile to stand on its own in multi-layer films, minimizing use of incompatible polymers and easing the recycling stream. Collaborations with brand owners and waste processors help us finetune the formulation for real-world collection and reprocessing—someone’s bag or wrap today may become the raw material for a fresh extrusion run down the road.
From shop talk, complaints about frequent line stoppages or inconsistent gauge often trace back to resin inconsistency, not faulty hardware. We allocate significant resources to raw material analytics and online viscometry, which minimize on-the-fly correlation between laboratory values and plant performance. Process engineers frequently walk the floor, address maintenance crews, and help troubleshoot suspect batches before full-scale runs.
Film processors dealing in millions of bags per month need assurance they can run long lots overnight with no surprises. LDPE 2221D gets specified and used because it cuts down on run-to-run variability. Several regional producers submit samples to us for benchmarking—their in-house trials consistently note lower die build-up, cleaner edges, and more uniform roll wind with our 2221D. These outcomes come partly from the resin’s precise molecular design, and partly from our tight-knit process and technical support teams, honed by feedback from those who depend on these materials every day.
Part of what refines 2221D is ongoing dialog with packaging developers. Many film converters have asked for tweaks in slip or anti-block behavior to match filling line speeds or storage requirements. These requests don’t go unnoticed. We feed operational data back into small-lot reactor campaigns, steadily improving the resin’s process stability and mechanical performance across films, sheets, and specialty applications.
Clients highlight how LDPE 2221D matches evolving food packaging norms. Films hold up during high-impact drop tests, seal quickly on automated lines, and maintain clarity despite successive thermal cycles. The quest for thinner, lighter films does not mean risking shelf life or content safety, and that’s where this grade earns repeated orders.
Production lines are not immune to change. Feedstock variation, seasonal humidity, and upstream logistical snags all influence day-to-day outcomes. Our operational base runs stress tests, modeling worst-case scenarios to prevent customer disruption. If routine shipment inspections find marginal variances, those lots get held back—no batch leaves unless it meets spec, regardless of outside schedule pressure.
Sometimes customers need at-the-spot technical support. Our team maintains a direct call-in line to plant engineers, not just front-office staff. This reduces downtime during line transitions and lets issues get corrected before bad product accumulates. We make it a point to send experienced process engineers offsite when converters run challenging multilayer films or trial new additives. Face-to-face plant support shortens the learning curve and often uncovers small process tweaks that boost yields beyond original expectations.
Technological innovation is another factor. As digital blending, automated process control, and data collection reshape film manufacturing, our team works closely with equipment designers to ensure 2221D adapts seamlessly to newer die geometries and thickness control systems. Flexibility comes not just from polymer design, but from adopting best industry practices and staying ready to revise as new challenges arise.
Experience matters. Claims about resin quality mean little without years of successful production, troubleshooting, and direct technical engagement with users. All the facts mentioned—low gel content, melt flow control, clarity in finished product, regulatory compliance—grow out of stories from the shop floor, not only test reports. Plant crew, shift leaders, and maintenance techs see in real time how Lupolen LDPE 2221D supports smoother blown film surfaces, fewer blocking issues in stacking, and problem-free transit through filling and sealing machinery.
Often, customers come to us after using alternative LDPE and running into avoidable waste or production stops. Some have shared specifics, like chronic roll telescoping, need for constant screen pack swaps, or less than expected sealing during bag production. Switching to our 2221D, cycle data shows those issues recede, operator recall of downtime plummets, and the overall impression improves from both the production and purchasing side.
Trust grows by solving those problems, not just selling a nameplate. Our job does not end at resin shipment, but at the customer’s finished product, where minor changes in resin quality echo through machine uptime, yield, finished bag strength, or film clarity.
Resin markets never stand still. Expectations keep rising for stronger, thinner, more sustainable films every season. We view this not as a burden, but as a chance to show what factory know-how and open dialogue can deliver. We reinvest process returns into better reactor controls and quality labs every year, leaning on feedback from global packaging plants to recalibrate along the way.
We take pride in not only the physical output—shipment after shipment of consistent, easy-to-melt pellet—but in the detailed attention from our process technologists and reactors that tune each run of LDPE 2221D to real-world use cases. As machinery, regulations, and customer formulations progress, our material and our service evolve to keep pace with every project that rolls off a film or bag line.
Examples from direct customer input reinforce 2221D’s impact. One customer, migrating to faster blown film extrusion, found that 2221D gave over 10 percent better throughput with zero extruder screen changes in a week compared to a prior grade. Another, focused on freezer-safe packaging, discovered 2221D films tolerated deep freeze cycles with less embrittlement and didn’t stick or block when double-stacked on pallets.
Converters making hygiene film value the ease with which LDPE 2221D forms a tight, low-seal-temperature closure, crucial for pouch and diaper wrap applications. Converters aiming to boost output without raising film thickness have leaned on this resin’s flexibility and resistance to split, discovering their material and labor costs improve over time as rework and downtime drop.
We listen and respond—in production, technical service, and product development. The push toward eco-friendlier packaging will accelerate. Our own future upgrades will keep aiming for lower carbon footprint, higher recycled content, and resilient, consistent resin for converters worldwide. Working in tandem with packaging engineers, film designers, and line operators helps shape each new batch, aligning process needs with market demand. That’s how we’ve built LDPE 2221D, and that’s how we’ll keep improving it for whatever comes next in the market.
BASF Lupolen LDPE 2221D is not just another entry in an endless catalog, but a result of decades of trial, feedback, and direct experience spent helping countless customers deliver better, safer, and more sustainable packaging. Operational challenges keep changing, but our commitment to hands-on problem solving and product quality remains strong. Whether the project centers on hygiene wraps, produce bags, shrink film, or high-clarity plain film, our team backs every railcar, bag, or bulk load shipped.
