|
HS Code |
550772 |
| Product Name | Sinopec Polyethylene Terephthalate |
| Chemical Formula | C10H8O4 |
| Molar Mass | 192.17 g/mol |
| Density | 1.37–1.43 g/cm3 |
| Melting Point | 250–260°C |
| Glass Transition Temperature | 70–80°C |
| Intrinsic Viscosity | 0.65–0.85 dL/g |
| Appearance | White or transparent pellets |
| Bulk Density | 0.80–0.85 g/cm3 |
| Moisture Content | <0.2% |
| Tensile Strength | 50–80 MPa |
| Elongation At Break | 50–200% |
| Hazard Classification | Non-hazardous |
As an accredited Sinopec Polyethylene Terephthalate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Sinopec Polyethylene Terephthalate is packaged in 1,100 kg white woven plastic bags with blue Sinopec logo, labeled product and specifications. |
| Container Loading (20′ FCL) | 20′ FCL container loading for Sinopec Polyethylene Terephthalate typically handles 20-22 metric tons, packed in 1100 kg jumbo bags or as required. |
| Shipping | Sinopec Polyethylene Terephthalate (PET) is shipped in sealed, moisture-proof bags or bulk containers to prevent contamination and degradation. It is typically transported by truck, rail, or sea freight, meeting international safety and handling regulations, with clear labeling and documentation to ensure traceability and compliance during transit. |
| Storage | Sinopec Polyethylene Terephthalate (PET) should be stored in a cool, dry, well-ventilated area away from direct sunlight, heat sources, and moisture to prevent degradation. Keep the packaging tightly sealed to avoid contamination. Ensure the storage area is clean and free of strong acids, alkalis, and oxidizing agents. Follow all local regulations for polymer storage and handling for safety. |
| Shelf Life | Sinopec Polyethylene Terephthalate (PET) typically has an indefinite shelf life if stored unopened, dry, and away from sunlight and heat. |
Competitive Sinopec Polyethylene Terephthalate prices that fit your budget—flexible terms and customized quotes for every order.
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Decades of running polymer reactors have taught us that Polyethylene Terephthalate, or PET, rewards attention to detail at every stage. Our Sinopec PET lines produce high-clarity, low-impurity resin fit for bottles, packaging sheet, and a range of spun filament textile applications. Consistent melt stability stands out in daily production, smoothing the way for both high-speed bottle blowing and thin-gauge film extrusion. Nailing down those technical points requires honing raw material quality, working with precise process control, and refining our cleaning regimes. We watch out for acetaldehyde content in container-grade PET, since any off-flavor turns up fast in bottled water. By holding our numbers below industry standards, customers report fewer production interruptions and better end product taste.
In the spun fiber grades, our team keeps focus on IV (Intrinsic Viscosity) control and chip surface quality, because any slip here translates to spinning line stoppages or uneven yarn. The results show up both on our factory floor and in the hands of processors who demand tough but spinnable polymer. This tight control doesn’t happen by accident—it reflects a company-wide focus on plant discipline, frequent batch testing, and clear records.
Feedback from downstream users has shaped our core PET portfolio. For bottle production, Sinopec CH76X series has carved out a reputation for low haze, high mechanical strength, and low acetaldehyde. This combination lets beverage bottlers run more cycles between line cleanings, with fewer stress cracks showing up after stacking and shipping. Processors need chips to flow smoothly, reheat well under infrared, and resist yellowing. The CH76X consistently meets those jobs—proven year after year across facilities running both single-stage and two-stage molding machines.
On the film and sheet side, our ZX900 and ZX700 series chip grades arrive at packaging converters in bright, dry lots, with dust and fines minimized through pneumatic conveying upgrades. This might sound minor to non-manufacturers, but excess fines create haze and blemishes in finished film. Thermal stability matters too: processors can run faster ovens without crystallization defects. That shows up on packaging lines where sharp print registration and clear window sections are a daily requirement.
PET fiber manufacturers need a different profile. They specify higher IV ranges—Sinopec FG802 and FG902 grades—ensuring tenacity and softness in textile yarn, fiberfill, and even nonwoven geotextiles. Here, spinning speed and fiber draw ratios change fast, so our engineers routinely consult with partners about any spindle build-up or threadline breakage trends. Long-term, that knowledge feeds right back into reactor optimization and post-polymerization steps.
Direct comparisons to imported or alternative domestic PET highlight the edge offered by our plant design and rigorous start-up testing. Some outside resins arrive inconsistently, with batch-to-batch viscosity swings that force processors to blend with off-grade stock, or even cut runs short. With Sinopec PET, regular test reports come with each lot, confirming that the resin is staying within a strict IV and color window. This cuts down on offcuts and scrap regrind, and it helps reduce reject rates on the shop floor.
In the molding and extrusion world, customers want to squeeze every ounce of efficiency from their machinery. Some PET resins on the market show higher carboxyl end group content, which might not seem like an issue until unexpected hydrolysis creeps in under humid conditions. Our process chemists work to minimize residuals, tackling moisture reactivity head-on so containers and films keep their shape and gloss over long storage and shipping cycles. This shows up as better stack strength in water bottle packs and fewer delamination complaints from sheet users.
No two PET lines are identical, and improvements never end. An example stands out when one of our largest bottle-grade users switched to our product. They saw up to 5 percent reduction in cycle time, which came down to the clean granule shape allowing smoother flow through their feeders. On the fiber side, more than one client has reported a drop in spinning stops—often caused by dust, gels, or unwanted oligomers in the mix. Our focus on filtration and raw material prep cuts those interruptions so polymer lines run with fewer headaches.
Our plant managers live with the real challenges of today’s PET lifecycle concerns. Food brands and packaging firms look to shrink their carbon footprints, so our team runs energy audits and process upgrades to trim industrial emissions. For example, investments in improved solid-state polycondensation towers help boost throughput per kWh, reducing both cost and environmental load. We monitor ERP systems daily for moisture use in post-condensation drying units, since controlling water vapor in exhaust streams also reduces fugitive emissions.
PET recycling infrastructure demands careful attention. Very few local recyclers accept batches with more than trace metal residues or black specks, so our raw PET chip arrives free from visible contamination. Where plants use regrind and PCR (post-consumer recycled) feeds, our engineers offer advice on blending ratios, pre-drying times, and finished IV targets to balance melt flow with strength. This practical support has helped a handful of partners launch bottle-to-bottle and fiber recycling lines with minimal changeover downtime.
Our facilities collect line-side production wastes, segregate by color and IV, and process waste PET on in-house reclaim systems. This minimizes landfill disposal and supplies internal compounders with melt-stable, screened regrind. From the chemicals side, staff research ways to engineer new PET resin blends compatible with higher recycled content, watching for potential yellowing or IV drop.
One lesson stands out from years supplying beverage bottling: surface defects in PET chips or stray gels in the polymer become big headaches on high-speed lines. Water, soft drink, and edible oil packagers regularly flag clarity and stress crack resistance as top priorities. Our QC staff samples off every silo, running haze tests, color readings, and pressure resistance checks to make sure no batch leaves the gate with a surprise.
Acetaldehyde generation follows upstream all the way through packaging—and, for water in particular, even trace off-flavors turn up after storage. Our lower AA profiles mean customers regularly report improved organoleptic performance, sidestepping complaints about taste from both consumers and regulators. Shrinking bottle weight without compromising strength also matters, so we fine-tune molecular weight and branching within proven parameters.
PET film lines run wide and fast, and defects snowball fast in these continuous processes. Any dust, oil, or contaminant on chip surfaces raises the risk of roll defects or pinholes in thin layers. Since packaging companies operate under tight audit controls, our film-grade PET resins arrive in food-contact approved, sealed silos, with up-to-date migration and purity documentation.
Our ZX and FS film grades emphasize dimensional stability for heat sealing or lamination with polyolefins. Processors report reliable slip performance and stronger film, translating into fewer underweight rolls and less trimming waste. By tracking oven and melt temperature profiles in both lab and production environments, we offer guidance on optimal run settings to maximize clarity, gloss, and line speed in blown and cast film systems.
PET resin didn’t start as the first choice for some fiber applications, but polyester’s resistance to wrinkling, good handfeel, and easy dyeing have expanded markets from bedding to technical geotextiles. Our teams collaborate with spinning plants across the country, addressing fiber denier, luster, and tensile strength goals. FG and high-IV variants support not only staple and filament lines, but also emerging spunbond and meltblown nonwovens.
Higher viscosity requirements for technical textiles demand extra drying and tight control on polymer end groups. We cycle lots through advanced vacuum and nitrogen drying systems; test reports routinely confirm minimal degree of degradation, supporting high draw ratios and low break rates. Manufacturers of carpets and high-strength ropes rely on this approach to minimize downtime and maintenance.
Efficiency in chemical manufacturing can live or die on logistics. We operate multiple continuous reactors, with both solid-state and melt-phase lines. This lets us match output to seasonal market swings and global shipping demands. Close coordination with transportation teams ensures on-time deliveries, and every shipment undergoes mechanical and analytical checks—reducing claims or rejections that slow production in downstream factories.
Customers value not just resin quality, but also responsive support when tackling line changes, new mold tools, or unfamiliar additives. Our technical advisors hold years of field experience across bottle, sheet, and fiber applications. Whether working to reduce cycle time in a packaging plant or swap process lines for a new product launch, our engineers share insights made possible by daily plant involvement.
China’s regulatory expectations for food-contact plastics have grown more stringent, so every batch of Sinopec PET comes with food safety documentation and full process traceability. We continually invest in laboratory upgrades—UV-vis spectrometry, GC for residuals, and real-world migration testing simulating both acidic and oily foods. These aren’t just paperwork: retailers and multinational bottlers inspect us routinely, and transparent records support supply chain confidence.
Chemical safety isn’t a background detail in our plants: it lives in practical routines. From reactor cleaning to bagging and silo transfers, we monitor personal protective equipment and exposure monitoring, not just to keep lines running but to serve as the foundation for reliable product. Ongoing training involves every shift worker and supervisor, emphasizing both equipment checks and emergency drills. Our safety and environmental record feed directly into third-party audits and customer onboarding.
Every improvement in PET product quality grew out of working hands-on with downstream users—solving haze, color, and flow issues on their shop floors as well as in our plants. Customers bring us their bottlenecks, and our process team tackles them with practical solutions. One converter facing unusual yellowing at high extrusion speeds sent us daily samples, which the plant team used to fine-tune drying and re-crystallization settings across a week of tests. The problem disappeared, and both sides learned a faster, more consistent recipe.
In the PET fiber world, close relationships with line operators help us notice upward trends in filament breakage before they become yield losses. Each new market challenge—lighter water bottles, higher post-consumer content, busting supply chain snarls—reinforces why ongoing communication and direct plant-to-plant partnership outperforms any off-the-shelf specification.
The pace of change isn’t slowing. Brands want lighter packaging, resource efficiency, and a growing shift to circular resin streams. We run pilot reactors, batch granulators, and extrusion simulators inside our facility to test new grades, including next-generation bottle-grade blends and improved compatibility resins for use with high-PCR PET. On the ground, this means investing in changeover protocols, cross-training, and flexible scheduling so no grade shift creates a service gap for regular users.
Collaboration with customers and researchers shapes our R&D, not just internal goals. Some advances, like improved antioxidant packages or reactor upgrades for lower residual content, run through months of field trials before making it onto the spec sheet. This approach cuts false starts and aligns our team behind results that matter on actual production lines.
Competition in the PET sector grows tighter each year. Processors weigh not just resin supply, but long-term integration, technical backup, and product range. Our sustained investments—expanding reactor arrays, upgrading filtration and drying, tightening traceability—support both scale and flexibility. For converters and spinners, this means predictable output and freedom to develop new products without facing material constraints or inconsistent batch runs.
Our experience has shown that reasonable, science-driven changes in manufacturing improve both quality and environmental performance. From low acetaldehyde for still water to high-IV spins for tough textile yarns, our approach has always been grounded in plant-level results. Being open with customers and growing alongside their businesses fuels continuous improvement and innovation throughout the company.
PET has grown from a niche polyester into the backbone of modern packaging, textiles, and engineered films. For us, Sinopec PET isn’t just a product—it’s a practical solution, built from decades of manufacturing experience and refined through real customer partnerships. The market keeps changing, and so do the opportunities and constraints for anyone working with PET. Our journey is defined by solving problems and staying close to both the material science and daily production challenges. With cumulative knowledge, stronger manufacturing discipline, and real-time collaboration, we keep our materials and partners at the forefront of tomorrow’s marketplace.
