Biodegradable Resin PBAT
- Product Name: Biodegradable Resin PBAT
- Chemical Name (IUPAC): poly(butylene adipate-co-terephthalate)
- CAS No.: 55231-08-8
- Chemical Formula: (C₁₄H₁₄O₄)ₙ(C₄H₆O₂)ₘ(C₆H₁₀O₄)ₗ
- Form/Physical State: Granules/Pellets
- Factroy Site: No.1788, Development Road, Ruian Economic Development Zone, Ruian, Wenzhou, Zhejiang
- Price Inquiry: sales3@ascent-chem.com
- Manufacturer: Huafon Group Co., Ltd
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- Biodegradable Resin PBAT is typically used in formulations when compostability requirements and processing temperatures must be controlled within specific ranges.
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HS Code |
154653 |
| Chemical Name | Poly(butylene adipate-co-terephthalate) |
| Abbreviation | PBAT |
| Biodegradability | High |
| Melt Flow Index | 2-25 g/10min (varies by grade) |
| Melting Point | 110-120°C |
| Density | 1.18-1.30 g/cm³ |
| Tensile Strength | 10-30 MPa |
| Elongation At Break | 400-700% |
| Transparency | Translucent to opaque |
| Water Resistance | Moderate |
| Compostability | Industrial compostable |
| Main Applications | Films, packaging, agricultural mulch |
As an accredited Biodegradable Resin PBAT factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Biodegradable Resin PBAT is packaged in 25 kg moisture-proof, woven plastic bags with clear labeling, batch number, and manufacturer details. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL) for Biodegradable Resin PBAT: Typically 16–18 metric tons packed in 25kg bags, palletized for optimal transport efficiency. |
| Shipping | Biodegradable Resin PBAT is typically shipped in 25 kg bags or jumbo bulk bags, secured on pallets to prevent moisture and contamination. It should be stored and transported in a cool, dry place, away from direct sunlight and strong acids or bases. Ensure proper labeling and compliance with local transportation regulations. |
| Storage | Biodegradable Resin PBAT should be stored in a cool, dry, and well-ventilated area away from direct sunlight and heat sources. Keep the material sealed in its original packaging to prevent moisture absorption and contamination. Avoid exposure to strong acids, bases, or oxidizing agents. Maintain storage temperatures below 30°C to ensure quality and prolong shelf life. |
| Shelf Life | Biodegradable resin PBAT typically has a shelf life of 12–24 months when stored in cool, dry conditions, away from sunlight. |
Applications of Biodegradable Resin PBAT in Industrial ManufacturingPBAT is a biodegradable aliphatic-aromatic copolyester widely adopted in environmentally oriented plastic processing sectors. As the original manufacturer, we supply PBAT for various industrial value chains where certified compostability and flexible mechanical properties drive commercial adoption. Below, we present documented downstream application tracks, each with specific standards, dosage ranges, manufacturing stages, and commercially realized end goods. 1. Industrial Compostable Shopping and Garbage BagsIndustrial-scale film extruders use PBAT-based blends to manufacture compostable shopping and refuse bags for regulated markets. PBAT is selected for high tear resistance and mechanical flexibility required in thin film applications. Large converters balance PBAT loadings with starch or PLA, achieving target biodegradation for both home and industrial composting. Bag lines operating under regional mandates for single-use plastics require traceable supply of compost-certified input batches, robust QC for thickness uniformity, and statistical control on seal strength. Manufacturers conduct in-line blending prior to blown film extrusion, calibrating compositions based on composting test results and end-user technical specifications. Industry compliance standards
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2. Single-Use Food Service PackagingPBAT is supplied to converters manufacturing disposable items for food contact, including cutlery, straws, and flexible pouches. Manufacturers value PBAT for achieving both home and industrial compostability claims, especially where global food safety compliance is non-negotiable. Processing involves extrusion or injection molding, often with process-specific PLA and talc modifications. Factories with direct food contact goods maintain cleanroom standards in alignment with recognized hygiene management frameworks. Each SKU must clear regional regulatory tests for migration and composting performance, while dosages and process profiles adapt to product stiffness and shape stability requirements. Industry compliance standards
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3. Agricultural Mulch FilmsMajor agricultural film producers incorporate PBAT to manufacture mulch films that degrade in-field post-harvest, conforming to strict environmental legislation and crop-specific requirements. PBAT’s flexibility and soil-disintegration profile enable long-term field applications without need for mechanical retrieval. Formulators tune PBAT load to balance mechanical durability through the growing season versus decomposition rate in soil. Product certification for safe soil integration and absence of eco-toxicity is mandatory for EU and North American markets. Conversion plants rely on in-line blending and blown film lines equipped for heavy, high-output film grades in multiple thicknesses. Industry compliance standards
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4. Compostable Courier and E-commerce Mailer BagsWith rising e-commerce logistics, courier bag manufacturers shift towards certified compostable films, integrating PBAT for required seal strength and flexibility. Industrial customers in this segment run high-output film lines with bespoke anti-static and printing requirements. PBAT composition impacts printability, sealing integrity, and mailing performance in sorting systems. Packages must pass drop, tear, and puncture resistance testing as prescribed by parcel specifications. Plant operators adjust PBAT loading based on film gauge and climatic shipping conditions to avoid premature degradation or loss of mechanical strength. Industry compliance standards
Typical usage ratio
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5. Hygiene and Sanitary Film SubstratesManufacturers serving personal hygiene and sanitary disposables invest in PBAT-enhanced backsheet and topsheet films, particularly for hygiene pads, baby diapers, and sanitary napkins marked for eco-label compliance. PBAT composition must comply with extensive toxicological and skin sensitivity screenings. Film lines adjust PBAT:PLA:cellulose loading based on breathability, absorbency, and tactile softness metrics. Material blending and extrusion operate in strictly monitored facilities to avoid cross-contamination and guarantee traceability from medical-grade PBAT supply down to rolled sheet output. Industry compliance standards
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6. Extrusion Coating Applications for Paper and BoardConverters apply PBAT as an extrusion coating on paper and cardboard to impart water and grease resistance in sustainable foodservice and packaging boards. Such applications demand precise polymer layer thickness and food safety compliance. PBAT replaces PE or fossil-based coatings for compostable hot cups, food trays, and clamshells targeting plastic-ban market segments. Process lines require temperature and pressure optimization to achieve uniform adhesion and barrier properties while maintaining paperboard printability. All coated board runs undergo regular migration and compostability compliance testing. Industry compliance standards
Typical usage ratio
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Competitive Biodegradable Resin PBAT prices that fit your budget—flexible terms and customized quotes for every order.
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- Biodegradable Resin PBAT is manufactured under an ISO 9001 quality system and complies with relevant regulatory requirements.
- COA, SDS/MSDS, and related certificates are available upon request. For certificate requests or inquiries, contact: sales3@ascent-chem.com.
Biodegradable Resin PBAT: Moving Beyond Traditional Plastics
PBAT in Our Experience: Why We Chose to Make It
Every day, we see the growing demand for materials that break away from habits built around fossil-based plastics. Our own shift into producing PBAT (polybutylene adipate terephthalate) did not come from following the crowd. We started because the limitations of traditional resin—primarily polyethylene, polypropylene, and PET—could not match evolving market expectations in packaging and single-use products. Where standard plastics linger in landfills or stretch waste challenges, our PBAT resin leaves a smaller footprint, built by design for compostability and efficiency in breakdown under industrial conditions.
We manufacture PBAT to meet modern client needs. Over years in polymer production, we saw first-hand how persistent plastic waste strains municipal waste systems and how pressure mounts for consumer-facing brands to pivot toward materials that actually disappear in composting systems. If a resin cannot degrade in a managed setting, it does not truly resolve the waste burden. That understanding shaped our approach to both PBAT purity and our upgrades in polymerization control.
Specifications We Landed On
Our main PBAT grade features a melt flow index (MFI) in the 2–3 g/10 min range, measured at 190°C/2.16kg. This handles film extrusion, blown film, cast film, and even sheet extrusion for a variety of thicknesses without clogging process lines or causing inconsistency in product gauge. Density stays around 1.26 g/cm³, offering balance between strength and flexibility without yielding the feeling of “cheap plastic.” These numbers reflect our continual adjustments in reactor conditions, catalysis, and feedstock quality, not simply marketing claims.
We deliver PBAT resin in pellet form, packed in moisture-proof bags so processors avoid hydrolysis and viscosity drop during storage. Granules flow cleanly in hoppers and do not agglomerate in regular warehouse temperatures. Our finished PBAT resin does not contain chalk or talc fillers—as some competitive products do to lower costs—since those additions can weaken compostability and final article integrity. This is an area where manufacturers’ discipline makes or breaks product performance; we listen directly to film converters and compounding lines about what clogs, what gels, and where waste scrap builds up.
Making PBAT Work in Real Applications
Packagers and brand owners asked us repeatedly for resin that could replace LDPE film for agricultural mulch or shopping bags. Past efforts with other bioplastics left them disappointed by brittleness or process headaches that doubled machine downtime. Our PBAT demonstrates good elongation and can achieve elongation-over-break figures above 400 percent, even after compounding with PLA or starch. That means more reliable strength in the real world—across food wraps, trash liners, and even carrier bags.
For food service, clarity and printability matter. We keep gel formation low so film lines produce consistent rolls that meet the tight tolerances required by consumer goods packaging. PBAT’s heat-sealing window matches what processors expect from classic polyethylene, so switching over does not require expensive new sealing equipment or staff retraining. Wer also prioritize odor control and exclude residual monomers which can trigger migration concerns in foodwraps and compostable bag suppliers.
Compostability and Genuine Environmental Value
PBAT does not just claim “biodegradability” as a sticker for green marketing. In conditions above 58°C and with controlled humidity (common to industrial composters), our PBAT breaks down to water, CO2, and biomass typically within twelve weeks. There are no persistent microplastics left behind—something that separates PBAT from oxo-degradable approaches that fragment but never truly disappear. The proof sits in compost test after compost test, and we hold DIN EN 13432 and ASTM D6400 certificates, not just for self-declaration, but so clients can prove to regulators their bags and films do in fact compost as required.
Home compost conditions are less aggressive, and not all bioplastics vanish there. We tell clients upfront: PBAT can fragment under backyard conditions, but complete mineralization takes far longer unless temperature and moisture levels stay ideal. The key is transparency—advertising compostable claims only where handlers, composters, and consumers can see the full end-of-life picture. Compared to PLA-based films, PBAT survives mechanical stress better on the packing line and through distribution, but still exits the ecosystem by design after disposal.
PBAT Versus Other Bioplastics: Direct Comparisons
PLA, PHA, and starch-based polymers each offer some environmental upside, but our experience shows PBAT is more forgiving on existing machinery and delivers higher ductility without embrittlement, especially for thin films. PLA thrives in rigid applications but cracks under stress when extruded into thin gauges. Plant starch formats tend to swell, disintegrate with moisture, and give an uneven feel. By contrast, PBAT lets converters use current screws, dies, and blowing equipment—all without risking catastrophic line fouling or dramatic process shifts.
PBAT pairs well with PLA and allows for up to 50 percent blends when cost or renewability is a line driver. In our own blends, adding PLA can ramp up the renewable content, but pure PLA films routinely fail “ghosting” tests where cold flex or repeated creasing are required. Clients in retail bags and agricultural mulch express greater satisfaction with PBAT loadings above 60 percent to balance cost without sacrificing process reliability or strength.
Starch-based bioplastics are less expensive on paper, but foreign matter and swelling limit their range. In humid regions, suppliers tell us water uptake can nearly double weight and render films tacky or prone to breaking. PBAT absorbs less water and holds dimensional stability better, storing well for several months under standard warehouse conditions. Our customers count on this to avoid returns and customer complaints over warped or sticky packaging.
Challenges and What Drives Us to Keep Improving
Biodegradables like PBAT are not “silver bullets.” PBAT still comes from a mix of petrochemical and, increasingly, bio-based inputs. As manufacturers, we view this honestly. The “bio” label only gives value when paired with robust end-of-life solutions. Without managed composting, bio-resins lose their edge. We work alongside municipal leaders and composters to ensure only compliant PBAT films enter their systems, minimizing contamination and confusion.
Feedstock volatility remains a challenge. Supply swings in glycol or adipic acid can push up costs suddenly. Marketwide, as PBAT uptake increases, we see pressure on raw material producers—prompting more recycling and even renewable feedstock exploration. We have piloted partial substitution with bio-based 1,4-butanediol, and results indicate we can cut greenhouse gas footprint further without disrupting finished product performance or storage.
Inaccurate claims from traders and poorly controlled producers have hurt the PBAT category. Stories surface of “PBAT blends” cut with significant fractions of non-biodegradable fillers, only to disintegrate in composters and leave plastic fragments behind. We keep full batch traceability and ongoing testing for each production lot, and only release material that meets independent verification of compostability. It’s a habit ingrained from years of tight QA discipline across every shift, not just a line in a data sheet.
End Markets, Real Experience, and What Matters to Clients
Bag converters, industrial film extruders, and personal care suppliers make up the majority of our PBAT buyers. For bag films, load-bearing capacity, puncture resistance, and low haze make a visible difference for end users accustomed to petroleum plastics. One key area we hear about repeatedly is performance in frozen food packaging. PBAT maintains flexibility even at low temperatures and can handle deep freezing cycles without shattering or splitting.
In agriculture, mulch films must protect crops from weeds and early rains, then degrade into soil without cleanup costs. Our PBAT holds structure through a growing season and starts to break down only with elevated field temperatures and microbial activity, preventing contamination in harvested fields. Seedling trays and pot liners made from PBAT can be planted directly into soil and will decompose after use, eliminating plastic removal labor.
Single-use food service wear such as straws, cutlery, and takeaway boxes also receive attention. Here, users demand both stability in hot foods and assurance that discarded ware does not end up creating persistent waste. PBAT answers this by enduring short exposures to boiling liquids, resisting flavor transfer, and passing migration standards for contact with food or drink. Clients concerned about compliance with emerging single-use plastic bans find PBAT meets criteria in regulated markets like the EU, Canada, and parts of Asia.
Cost sensitivity cannot be ignored. Clients tell us transparent pricing and reliable logistics matter more than marketing frills. We invest in localizing production and in direct support for troubleshooting on clients’ machines—because if PBAT clogs up an extruder, or runs slow on converting lines, brand trust erodes immediately. We do not cut corners by adding cheap fillers; every cost negotiation happens with an eye toward process reliability.
Inside the Factory: What Sets Our PBAT Apart
Over the years, our process engineers found ways to tune polymerization conditions and make PBAT batches consistent both in color and viscosity. Reactor cleanliness, catalyst selection, and temperature control deliver controlled molecular weight, which, in turn, gives better melt strength and less edge trim waste in film lines. Investing in automatic feeding systems reduced contamination incidents and kept pellet size within tight bands, so our clients spend less time purging screens or fighting off-spec pellets.
Our quality assurance teams inspect moisture content in every shipment, because excess moisture can trigger hydrolysis during extrusion, leading to filament or film breaks. In post-compounding steps, we test for gel content and run mechanical property panels to check for brittleness after aging at elevated heat and humidity. Feedback from downstream processors feeds back into adjustments at our reactors and granulators—turning customer complaints into quantifiable improvements. The direct relationship with converters—visiting lines, listening to troubles—means less guesswork in what grades work best in which settings.
Supporting a Smoother Transition Away from Fossil Plastics
Switching from conventional polyolefins or even early compostable blends can be daunting for film manufacturers. We come alongside with hands-on guidance—not just generic support emails. In our own application center, we run PBAT on monolayer and three-layer blown film lines, test gauge control, blown bubble stability, and downstream bag conversion performance. These trials let us offer tangible process settings, cooling profiles, and extrusion speeds that match real-world constraints.
Alongside supply chain partners, we track regulatory updates and waste management changes. Many clients operate in markets where labeling, disposal streams, and certifications change with little warning. We embed ourselves in local environmental policy discussions to foster honest messaging about PBAT’s capabilities and limits, and help our clients adapt claims and labeling to avoid regulatory fines or greenwashing accusations.
Looking to the Future: Where We See PBAT Growth
Demand rises with each season as more governments embrace bans on single-use plastics and more consumer brands pledge targets for compostability or recycled content. Food delivery, e-commerce mailers, and even agricultural inputs represent core growth areas. Product designers ask for feedback on blending PBAT with minerals for rigid trays, or combining it with post-industrial polymers for unique barrier films.
Decarbonization shapes our future plans as well. We work with bio-feedstock developers to expand the share of biologically sourced PBAT. Research into enzymatic recycling and chemical depolymerization offers hope for reclaiming value at end-of-life, even before full composting—closing the loop further.
Direct Words from PBAT Producers
Manufacturing PBAT means more than making a green claim—it means standing behind every shipment that leaves our plant. We found the difference lies in discipline, hands-on support, and an eye always open to what clients actually encounter, not just what lab data shows. The move toward renewable, compostable films is not just a fad; regulatory and consumer pressures make it increasingly non-negotiable. Yet as those pressures rise, so too does the temptation for shortcuts—fillers added, specs loosened, batches shipped before full testing. Our approach comes down to owning each batch, fixing problems at the root, and never promising more than the resin can deliver in the field.
After years in this space, one thing stands clear: real-world outcomes matter most. PBAT holds up across a full range of bag, film, and molded applications, providing the processability, mechanical performance, and environmental benefit that brands demand. The road ahead calls for more education, tougher self-discipline, and a spirit of partnership between resin makers, converters, and the communities working to leave behind a lighter footprint.
