© 2026 Anhui Liwei Chemical Co., Limited,
All Right Reserved
|
HS Code |
697808 |
| Melt Flow Index | 1-50 g/10min |
| Density | 0.89-0.91 g/cm³ |
| Flexural Modulus | 900-1600 MPa |
| Tensile Strength At Yield | 25-35 MPa |
| Elongation At Break | 200-600% |
| Impact Strength Charpy Notched | 4-10 kJ/m² |
| Vicat Softening Temperature | 140-155°C |
| Heat Deflection Temperature | 80-105°C |
| Shore D Hardness | 60-75 |
| Haze | 10-25% |
| Melting Point | 160-165°C |
| Ash Content | <0.1% |
| Water Absorption | <0.01% |
| Color | Translucent to Opaque |
As an accredited Impact Copolymer Polypropylene factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Impact Copolymer Polypropylene is packaged in 25 kg moisture-proof, multi-layered polyethylene bags with clear product labeling and batch information. |
| Container Loading (20′ FCL) | A 20′ FCL typically loads about 24 metric tons of Impact Copolymer Polypropylene, packed in 25 kg bags on pallets or loose. |
| Shipping | Impact Copolymer Polypropylene is typically shipped in pellet form, packed in 25 kg bags or bulk containers. Ensure containers are clean, dry, and securely sealed to prevent contamination or moisture ingress. Store and transport in a cool, well-ventilated area, away from direct sunlight and incompatible substances. Handle according to standard chemical transport regulations. |
| Storage | Impact Copolymer Polypropylene should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and sources of heat or ignition. The material should be kept in its original packaging or tightly sealed containers to prevent contamination. Avoid contact with strong oxidizing agents. Proper storage ensures the product maintains its properties and prevents degradation. |
| Shelf Life | Impact Copolymer Polypropylene typically has a shelf life of up to 2 years when stored in cool, dry, and covered conditions. |
Competitive Impact Copolymer Polypropylene prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615365186327 or mail to sales3@liwei-chem.com.
We will respond to you as soon as possible.
Tel: +8615365186327
Email: sales3@liwei-chem.com
Flexible payment, competitive price, premium service - Inquire now!
Through years spent fine-tuning reactors and dialing in formulation recipes, our team has learned what sets impact copolymer polypropylene apart. Every batch on our production lines represents both experience and response to new expectations from converters and end-users. The rise of this product in automotive, household goods, packaging, and infrastructure didn’t just come from chance. Real demand built up over time as customers pressed for materials that last, resist tough handling, and match today’s processing speeds.
Impact copolymer polypropylene carries a structure that tells its own story. Think of it as an evolution of the polypropylene family, engineered with a matrix of random copolymer interrupted by segments of rubbery ethylene-propylene. The result: a blend of rigidity and flexibility that manages heavy knocks without giving up form or snapping in cold. Regular homopolymer polypropylene stays strong but gets brittle with the sharp chill of winter or rough impact; random copolymer softens those edges but doesn’t deliver the crack resistance required for the most demanding uses. Years ago, customers in the appliance or automotive sector would call us with stories of parts shattering during assembly lines or shipments stalled by seasonal temperature swings. With impact copolymer grades, those conversations changed.
Many producers rely on a wide range of impact copolymer models. In our shop, the selection ranges from standard general-purpose grades to higher flow and high stiffness options tuned for specific applications: bumper fascias, battery cases, electronic housings, large toys, and storage containers. Our ICP2300 grade, for example, holds its shape even under rough warehouse handling, shrugging off forklift bumps that would crack standard polypropylene. For thin-wall containers demanding fast cycle times and toughness at low temperatures, we offer models balancing melt flow rates and Izod impact strengths tested on our in-house lines with everyday molding equipment.
Impact copolymer polypropylene runs clean in injection and blow molding, extrusion, and thermoforming, with good filling and demolding even where part geometry gets tricky. Over time, we refined our formulations so processors can push faster cycle times and higher throughput without excess stress whitening or warpage in the finished parts. This means that even small custom shops working with commodity machines achieve outputs that rival those of the largest converters. Molders come back to us and comment on how little regrind builds up, reducing waste and scrap costs. Engineers tuning automated lines appreciate the wide processing window and reliable batch-to-batch consistency, which come from real control at our polymerization reactors and compounding lines.
Compared to homopolymers, impact copolymer polypropylene brings more than basic toughness. The rubber phase absorbs shock and sudden strike energy, so car parts, home appliance housings, outdoor furniture, and pallets hold up in both accidental drops and cold shipments—no hairline cracks creeping in after time spent in damp or freezing climates. Random copolymers offer a bit more flexibility than homopolymers but lack the ruggedness of impact grades when parts need to last years outside or face warehouse abuse.
Polyvinyl chloride (PVC) or ABS plastics compete in certain segments, but each has limitations that impact copolymer addresses head-on. PVC can yellow and turn brittle with long-term sunlight, and ABS may offer strength but usually comes at a higher cost and trickier processing. Achieving the same balance of impact resistance and easy fabrication with these alternatives often demands modification with fillers or additives, increasing complexity and potentially introducing quality risks.
The best tests come from those who handle the finished parts. Our close relationships with converters, assemblers, and downstream brands provide unvarnished feedback: “We don’t see cracks in injection-molded lids shipped to the Northern states in winter. Our logistics department hasn’t needed to file a brittle-part report since we switched over.” These comments confirm what our own lab numbers suggest—impact copolymer keeps products in service and out of rework bins. Our team often visits converter sites for real troubleshooting, holding up failed competitor samples next to our own production. The toughness edge is plain.
Supply chain disruptions and rising raw material costs continue to shape the resin world. As manufacturers, we’re always pushed to deliver reliability—both in the resin itself and in delivery commitments. When polypropylene feedstocks get tight, we stretch existing capacity and shuffle reactor schedules to protect critical grades. We’ve invested in process improvements on our compounding lines to squeeze out higher-throughput, lower-energy-consumption cycles, keeping a consistent product on every truck leaving our facility.
Maintaining consistent physical properties across multiple lots in the face of feedstock variability takes careful control at every reactor. That’s why our team tracks incoming monomers to the source, making in-line adjustments to heat, catalyst flow, and residence time. This gives us tighter property windows compared to generic off-brand material that others distribute without this level of hands-on control. End-users see this directly in closed customer lines or parts that pass QC at higher rates.
Post-consumer resin (PCR) and eco-design requirements are moving beyond buzzwords. Our lab has worked with recycled content blend-ins up to 30% PCR, while keeping toughness and processing unchanged for standard grades. This wasn’t easy: recycled input can throw off color and introduce gels, but continuous improvement in melt filtration and additive tech helped us get there. Molded crates and bins using our impact copolymer plus certified PCR now meet global brand requirements for recycled content—without customers phoning in complaints about warping or early breakage.
Fielding questions about microplastics and end-of-life recycling is part of our routine now. We work with reclaimers to evaluate pellet quality after service, ensuring that parts molded from our impact copolymer can go back into the loop as clean feedstock rather than landfill. As design standards tighten and major brands sign on to circularity targets, our team invests in closed-loop partnerships at both the converter and recycler stage.
The pressure is real: new regulations keep emerging on additives, food contact compliance, and volatile organic compounds (VOCs), especially in packaging and consumer goods. All our impact copolymer lines meet current food contact approvals for North America and Europe. We track proposed legislation on phthalate plasticizers and flame retardants, pivoting as needed so customers don’t find themselves stuck with non-compliant parts. Routine third-party and in-house toxicology screening reduces risk.
Our R&D chemists remain directly involved with regulatory compliance bodies, helping us anticipate the next wave of requirements—not just react. This forward-looking stance has kept our customers out of last-minute recertification scrambles, and we remain a sounding board for complex compliance questions. We work through real-world adjustments with customers whose molded goods get sold on every continent.
Impact copolymer polypropylene’s popularity hasn’t changed our approach: no matter the batch or end use, traceability and factory-level oversight guide every lot. Barcode tracking on every pallet, in-line sampling, cloud-based test records—in our plant, it’s routine but essential. If a customer ever reports a property deviation, we dig down within hours, not days. We warranty every shipment with data from actual production samples, never “standard” book numbers.
Traceability goes hand-in-hand with raw material stewardship. Our purchasing team works directly with monomer suppliers and downstream partners, not faceless brokers. This reduces the risk of off-spec material sneaking into the process, so designers and engineers know they’re specifying a resin that lives up to its numbers in the end product.
Many processors come to us asking for “just polypropylene,” not realizing the gap in end-part toughness, processing speed, and consistency between generic and true impact copolymer grades. We make time to run side-by-side mold trials and joint QC audits. Plant tours and technical workshops give converters and OEM designers an unfiltered look at how we build performance from pellet to part.
Education makes the biggest difference at the launch of new product lines. Last year, a packaging company approached us with fit issues in their stackable crates. After hands-on troubleshooting and with a few pilot lots, they swapped in an impact copolymer grade tailored to their impact and flow requirements. Their production yield jumped, and complaints about breakage disappeared. These stories mirror our own experience of how the right material choice at the resin level solves issues all the way down the supply chain.
The defining feature of impact copolymer polypropylene remains its ability to absorb shock where other resins fail. We’ve heard stories from logistics coordinators where crates stood stacked six high through a Midwest freeze, survived forklift mishaps, and landed overseas intact. Our customers supplying under-hood automotive parts report fewer warranty returns for cracking, even as vehicles run hotter and face more demanding durability cycles. In retail displays and consumer storage bins, the color and gloss stay fresh while the parts keep their form across seasons.
Through heat-cycling, sunlight, or heavy loads, each step of our process aims to give the final product a margin of safety, not just pass-fail on a spec sheet. For city planners or construction material suppliers, resin selection can mean the difference between parts that last year after year or need repeated replacement. Impact copolymer offers a combination of environmental stability and mechanical resilience. That reputation matters more each year as urban infrastructure updates accelerate worldwide.
Making impact copolymer polypropylene at scale isn’t just mixing a few main ingredients. Exact sequencing in the reactor, careful staging of monomer injections, real-time catalyst monitoring, and post-reactor blending all play roles in achieving consistent properties. Our plant operators watch critical parameters minute-by-minute—melt flow, copolymer ratio, rubber phase dispersion—because small changes echo downstream in moldability and part quality. Unplanned variations can’t be accepted, since customers trust our resin to perform in safety-critical applications.
Some challenges only surface in mass production, such as minor shifts in color due to polymerization kinetics or subtle drops in impact resistance at the edge of the specification window. Instead of patching over problems, our technical teams step in early: new grades go through small-lot pilot runs before they hit full-scale line time, with dozens of cycle runs and molding trials overseen by line supervisors. We regularly revisit reactor parameters based on field returns, integrating customer suggestions directly into process improvements.
Quality management extends well past initial production runs. Third-party and in-house audits look at all stages, from incoming raw materials to shipping. Certifications for ISO 9001 and specialized auto-industry standards—like IATF 16949—guide our internal procedures but never substitute for experienced judgment. During site audits or follow-ups at customer plants, materials scientists and process engineers check for off-spec items and troubleshoot with the end-users. This closes the loop between design, production, and field reality.
Traceability audits confirm that if a problem ever appears, we can pinpoint source, batch, and process steps for every bag. This builds trust not just for large corporation buyers, but also for family-operated molders depending on reliable resin shipments for monthly accounts.
Despite all the talk of innovation, the bottom line in impact copolymer polypropylene comes down to delivering consistent performance across shifting orders and varying market requirements. Long-term partners depend on our resin shipments for budget forecasts and customer commitments. Our team tracks both raw material inputs and energy consumption to minimize price volatility, knowing that procurement departments plan on six, twelve, or twenty-four-month cycles.
Rising demand for finished goods with higher technical standards encourages ongoing R&D investment. We allocate real resources toward new catalyst systems, post-reactor modifiers, and blending techniques. Our development engineers field weekly calls with OEMs and converters facing unexpected molding challenges—unusual part geometries, sudden operating environment changes, or stricter government requirements.
Our experience drives us to encourage early material selection discussions in any new product launch. Rushing to equip a new tool with off-the-shelf polypropylene often costs more in the end—rejected lots, slowed assembly, field failures, or rework. Close collaboration between resin supplier and molder gives the best shot at getting resin grade, process conditions, and end-use properties aligned from day one.
For large-volume production, building flexibility into supply contracts ensures delivery during peak demand or raw material disruptions. Our logistics and technical support teams work hand-in-hand, providing both resin and troubleshooting so that lines keep moving on schedule.
Continuous dialogue with industries using impact copolymer shapes our R&D projects and production schedules. We see clear signals from appliance, automotive, logistics, and building product manufacturers as they prepare for models facing new stresses, load cycles, and durability demands. Our team responds by adapting reactor sequencing, improving metallocene catalysts, and looking for better ways to integrate recycled fractions without tradeoffs in performance.
Where regulations require new non-toxic additives or broader food-contact approvals, we invest early in lab validation and regulatory pre-clearance. This reduces headaches and helps our partners hit target launch dates in crowded, competitive markets.
Every pellet of impact copolymer polypropylene shipping out from our facility carries the imprint of our technical work, field experience, and partnerships with customers. Working with this resin over many production cycles means solving real-life problems—reducing part failures, processing downtime, and warranty costs. For us, the impact in “impact copolymer” stands for more than just test values on a datasheet. It’s reflected in warehouse managers who no longer chase breakage reports, engineers whose products stay in service through rough handling and fluctuating climates, and converters who trust in every shipment. The feedback loops we maintain with all parts of the supply chain ground our approach. Impact copolymer polypropylene, refined by real manufacturing experience, keeps earning its place at the center of molded product innovation.
