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HS Code |
517892 |
| Chemicalname | Low Density Polyethylene |
| Abbreviation | LDPE |
| Casnumber | 9002-88-4 |
| Density | 0.910-0.940 g/cm³ |
| Meltingpoint | 105-115°C |
| Tensilestrength | 8-25 MPa |
| Elongationatbreak | 300-650% |
| Flexuralmodulus | 200-400 MPa |
| Vicatsofteningpoint | 85-95°C |
| Transparency | Translucent |
| Waterabsorption | <0.01% |
| Dielectricstrength | 24-32 kV/mm |
As an accredited Low Density Polyethylene Resin factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Low Density Polyethylene Resin is packaged in 25 kg, moisture-resistant, woven polypropylene bags with clear labeling, batch number, and safety instructions. |
| Container Loading (20′ FCL) | 20′ FCL container holds approximately 22–25 MT of Low Density Polyethylene Resin, packed in 25 kg bags, securely palletized for transport. |
| Shipping | Low Density Polyethylene Resin is typically shipped in 25 kg bags or bulk containers, secured on pallets to ensure stability during transport. It should be kept dry, away from direct sunlight, high temperatures, and incompatible substances. Proper labeling and documentation per local and international regulations are required for safe and compliant shipping. |
| Storage | Low Density Polyethylene (LDPE) resin should be stored in cool, dry, well-ventilated areas away from direct sunlight, excessive heat, and sources of ignition. It must be kept in tightly sealed, labeled containers or original packaging to prevent contamination and moisture absorption. Proper storage minimizes degradation, preserves quality, and enhances safety by reducing fire and chemical exposure risks. |
| Shelf Life | Low Density Polyethylene Resin typically has an indefinite shelf life if stored properly, away from sunlight, heat, and moisture. |
Applications of Low Density Polyethylene Resin in Industrial ManufacturingLow Density Polyethylene (LDPE) resin serves as a primary polymer raw material with reliable consistency and predictable processing behavior in specialized industries. As a manufacturer, we support downstream production across multiple sectors by providing LDPE with consistent melt index and molecular weight profiles to meet real-world application needs. 1. Flexible Packaging Film ProductionFlexible packaging manufacturers rely on LDPE resin to impart significant tensile strength, puncture resistance, and clarity in blown and cast film operations. Process engineers adjust resin melt index and density to fine-tune seal strength and optical properties, particularly for food and consumer product packaging. Strict compliance with food contact regulations drives demand for material traceability, and specific film line requirements dictate blend percentages and extrusion parameters for cost control and quality assurance. Industry compliance standards
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2. Wire and Cable Insulation CompoundsLDPE provides primary insulation for low-voltage wire and cable applications, valued for its consistent dielectric strength, processability, and elongation flexibility during continuous compounding and extrusion. Compounding engineers select resin grades based on requirements for surface smoothness, stress crack resistance, and insulation thickness, integrating UV stabilizers or flame retardants when necessary. End users demand compliance with electrical and fire safety standards specific to power and telecommunications cable manufacturing. Industry compliance standards
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3. Injection Molded Consumer GoodsThe injection molding industry utilizes LDPE for producing soft, resilient, and chemically inert consumer goods. Resin properties such as low warpage, rapid mold filling, and easy de-moldability make it suitable for thin-walled items and intricate shapes. OEMs adapt the processing conditions and blend LDPE with impact modifiers or pigments, depending on functional and regulatory criteria, including consumer product safety and environmental exposure requirements. Industry compliance standards
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4. Agricultural Film and Sheet ApplicationsLDPE is the backbone for manufacturing greenhouse films, silage covers, and mulch films in the agricultural sector, where resistance to environmental stress cracking, transparency, and tailored degradation profiles are required. Agronomic processors demand specified resin grades, with processing tailored for UV stabilization, anti-drip function, and resistance to pesticide or fertilizer contact, conforming to regulations that address direct crop contact and exposure to climate. Industry compliance standards
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5. Extrusion Coating for Paper and CardboardIn packaging and industrial laminates, producers use LDPE for extrusion coating onto paper, cardboard, and other substrates to impart moisture and chemical resistance. Operations must tightly control melt viscosity and adhesion to substrate, balancing coating thickness with barrier performance metrics. End market requirements for food and beverage packaging enforce close monitoring of extractables and long-term stability under fill-and-seal thermal cycles. Industry compliance standards
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6. Blow Molded Industrial ContainersManufacturers of canisters, drums, and bottles select LDPE for its direct process stability, ductility, and chemical inertness in blow molding operations. Process specialists set molding parameters to achieve uniform wall thickness and target drop-impact performance, focusing on industrial applications where low stress-cracking and resistance to aggressive filling goods are required. Regulatory adherence addresses both workplace safety and chemical compatibility, ensuring reliable stacking and transport. Industry compliance standards
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Competitive Low Density Polyethylene Resin prices that fit your budget—flexible terms and customized quotes for every order.
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Producing Low Density Polyethylene (LDPE) resin means spending every day in the practical world of plastics where product performance and processing consistency matter. Having worked with LDPE for years, we know it as a steady workhorse for film manufacture, extrusion, and a host of packaging solutions. LDPE resin, often in granular form, transforms into shopping bags, food packaging, and agricultural films that end up in supermarkets, industrial warehouses, and farms worldwide.
Among our main LDPE models, grades such as 2426H and 2102TN26 stand out through proven performance in applications that range from general-purpose wrapping film to more demanding extrusion-coating tasks. These resins exhibit a melt flow index suitable for the large-scale film blowing machines we operate daily. The results can be seen in films with high gloss, good clarity, and enough toughness to withstand both mechanical stress and real-world handling.
In the production plant, polymerization of ethylene takes place under high pressure, which gives LDPE its trademark branched molecular structure. This unique structure provides flexibility, resilience, and the ability to process at relatively low temperatures. We keep a close watch on density, melt index, and clarity, since these material characteristics drive both consistent machine operation and reliable end-use properties. This approach keeps downtime at bay, prevents machine jam-ups, and noticeably reduces film defects in high-volume runs.
LDPE does not just fill a niche; it represents a foundation for manufacturers seeking a clear, flexible, and chemical-resistant resin. Whenever we get customer requests for grocery sack manufacture or shrink film production, LDPE offers dependable results. The material delivers strong sealability for food wrapping while holding up well in the face of mild acids and bases often found in cleaning products. These qualities create measurable value on the customer’s side and clear predictability on ours as suppliers.
Years of production experience reveal key differences between LDPE and other polyethylenes, especially High Density Polyethylene (HDPE) and Linear Low Density Polyethylene (LLDPE). LDPE’s molecular branches set it apart, delivering the right combination of softness and flexibility not easily duplicated by HDPE or LLDPE. In contrast, HDPE’s higher crystallinity results in stiffer, stronger films, ideal for barrels or rigid containers but less suited to applications demanding softness or high clarity.
On the other hand, LLDPE, with its more linear molecules and tailored comonomers, lets processors ramp up toughness and puncture resistance, but LLDPE films often trade off some clarity and processability. LDPE always stands out in the blown film line, where the material’s ‘bubble stability’ is crucial for consistent productivity. This matters when running long shifts, where real-time defect rates and machine uptime are closely tracked.
Within our portfolio, the choice of LDPE resin comes down to targeted physical metrics. Melt flow rate, usually measured in grams per ten minutes, signals how the resin will handle during extrusion or injection operations. Products like 2426H, with a melt index around 2 (g/10 min), lend themselves to general film blowing and extrusion coating. For thicker film or higher strength, we opt for grades with lower melt indexes like 2102TN26. These grades resist environmental stress cracking and show excellent compliance with automated packaging lines.
Optical properties also play a large role. Customers in food packaging keep close tabs on haze and gloss values, since these affect how products ultimately present on store shelves. Our production tests confirm that quality-controlled LDPE films achieve high gloss with excellent printability—especially important for branded retail or logistics applications. Holding tight tolerances on thickness and clarity earns the trust of converters and end-users who rely on dependable runs day after day.
From years of feedback, we know LDPE resin delivers performance in blown and cast films, extrusion coating, injection molding, and even specialty foams. Bread bags, garment bags, furniture wrap, and cable sheathing all start with LDPE resin. Customers regularly request information on process settings for film thickness control, bubble strength, and sealability, affirming LDPE’s versatility.
In agricultural settings, LDPE finds wide acceptance in mulching and greenhouse films. These films need to retain flexibility under fluctuating weather and remain easy to install during both planting and harvest. Our collaboration with downstream partners has led to grades with tailor-made slip and anti-block additives, keeping film unwinding and application downtime to a minimum. The same attention to additive selection and blending proves critical in stretch film and pallet wrap manufacture, where LDPE resin must yield stretch properties without tearing or necking outside acceptable limits.
Technicians working our extrusion lines point out that LDPE typically runs without extensive equipment modification. The resin’s low processing temperature cuts energy use while providing stable back pressure and consistent melt characteristics. We have found that keeping melt temperatures in check not only reduces energy costs but also prevents premature crosslinking or gel formation during processing. This is particularly relevant for packaging operations where surface finish and sealing quality visibly impact market acceptance.
Every production batch passes through rigorous testing for gel count, density, and volatiles. This attention to profiling lets packaging and film converters maintain print registration, seal strength, and line speeds. Our custom feedback loop lets us tune future batches based on both in-house analytics and customer feedback, tightening targets in fast-moving industries like e-commerce packaging and fast food wrapper supplies.
Working inside a manufacturing facility, attention to environmental standards goes hand-in-hand with process innovation. LDPE does not contain halogens or heavy metals and has a low extractables profile, so it meets quality expectations for direct food contact—subject, of course, to compliance testing and certification. Many clients request documentation confirming that the resin meets FDA or EU food contact norms. Years of participation in external audits keep us alert to evolving requirements.
Sustainability also guides new product development. Although LDPE is not biodegradable, advances in recycling mean LDPE films and products flow back into pelletizing and remanufacture more often. Our production plants invest in closed-loop water systems and energy recovery systems to offset some of the environmental impacts. Lightweight packaging trends have further reduced the overall amount of resin needed in typical wrap and bag products, shrinking the material footprint without compromising properties.
No manufacturing process is free from challenge. Melt fracture and gauge variation in film remain common topics during technical troubleshooting sessions. These issues are best tackled by adjusting die designs, blowing ratios, and cooling rates, rather than only tweaking resin grades. Experience shows that small processing adjustments, like fine-tuning screw speeds and back pressure, can yield large improvements in film uniformity.
Additive and colorant dispersal in LDPE matrices also present recurring difficulties—particularly in high-opacity or pigment-rich films. We encourage close coordination with additive suppliers and upstream polymer experts since proper dispersion supports long-term product performance, especially in UV-resistant and colored film lines. Out-of-spec resin lots are reprocessed or down-blended for less critical applications, limiting both waste and cost.
Sometimes, film manufacturers must meet highly specific regulatory or customer-driven requirements, perhaps for biodegradable elements or anti-static treatment. Our technical staff run pilot lines and recommend masterbatch blends for optimal processability and finished film function. This direct manufacturer-to-processor communication saves time and keeps production on schedule, reducing the risk of unsalable runs and machine downtime.
All experienced producers know that LDPE resin technology continues to evolve. Polymer science advances make new catalysts, more efficient reactor designs, and better process control systems a reality. On the plant floor, we test new stabilizer and process aid packages that extend the useful lifespan of extruder screws and dies, slashing maintenance and downtime.
Our laboratory regularly investigates the introduction of compatible recycled content. Blending post-consumer LDPE feedstock with virgin resin changes physical properties, so we run extensive compounding trials to maintain key metrics in critical packaging applications. End-users increasingly ask about recycled content for sustainability, and these requests drive ongoing upgrades to both resin design and processing protocols. Transparency on recycled material integration positions us as both a responsible and forward-thinking supplier.
Investment in automation and digital monitoring platforms adds further value. Online gauge measurement and real-time data analytics let us prevent off-grade resin production and hit tighter thickness tolerances during film blowing. Such measures add tangible bottom-line impact for both manufacturers and end-users dealing with strict packaging weight and size requirements.
Manufacturers today do more than ship out truckloads of LDPE resin. Longstanding supply relationships bring us into close technical exchanges with processors intent on maximizing output and reducing downtime. Our technical support teams frequently solve field issues related to slip, blocking, gel formation, or color drift, often conducting on-site visits and running in-depth line audits.
Workshops and training sessions equip customer operators to handle resin grade transitions, machine adjustments, and troubleshooting steps, cutting the learning curve for new product launches. As new uses for LDPE emerge—whether in automated stretch wrap, retail bagging, or agricultural plastics—open channels for feedback shape our inventory planning and future development. Unfiltered plant feedback fuels practical research on further improving LDPE resin quality.
Years on the production floor build a real-world understanding of what keeps the industry moving. LDPE resin delivers steady results through clarity, flexibility, toughness, and resistance to chemicals, providing foundations for products visible in daily life. Unlike other polyethylene types, LDPE strikes an uncommon balance between processability and product versatility. Each batch that leaves the plant stands on a foundation of testing, field feedback, and the push for both technical and environmental improvement.
With direct access to every stage of manufacture, our role extends beyond material supply. We work with processing partners to solve challenges, pivot quickly to regulatory or environmental shifts, and keep ahead in a field driven by both cost and innovation. LDPE resin remains a proven, flexible answer for packaging, films, and countless industrial uses. Quality stems from the effort put in at every step, guided by experience and continuous improvement — not just from the formulation of the resin, but from a commitment to long-term performance and customer satisfaction.
