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As regulatory landscapes worldwide tighten on conventional single-use plastics, global enterprises are rapidly shifting toward sustainable, bio-based alternatives. Compostable bags represent a vital component of the circular economy, transitioning municipal and commercial organic waste collection from carbon-intensive disposal models to high-value nutrient return pipelines.
At Linyi TH Environmental Technology Co., Ltd., we combine our decades of industrial formulation engineering with advanced polymer processing lines to design, manufacture, and distribute world-class compostable bag solutions. Serving as a trusted OEM/ODM partner, we engineer custom bag configurations that degrade cleanly into organic compost, water, and carbon dioxide under standard composting conditions, leaving zero microplastic residues.
Our compostable bag production integrates proprietary blends of PLA (polylactic acid), PBAT (polybutylene adipate terephthalate), and thermoplastic starches (TPS). This precise formulation ensures that our bags match the tensile strength, elasticity, and puncture resistance of standard low-density polyethylene (LDPE) while fulfilling the strictest biodegradation benchmarks including ASTM D6400, EN 13432, and AS 4736.
Sustainable packaging must not sacrifice performance. Our OEM/ODM capabilities encompass custom thicknesses, tensile profiles, barrier coatings, and print options tailored for heavy-duty industrial and commercial operations.
| Property / Metric | PLA + PBAT Blend Formulation | Starch-Based Hybrid Blend | Standard LDPE (For Comparison) |
|---|---|---|---|
| Industrial Compostability | Passes ASTM D6400 & EN 13432 (180 days) | Passes EN 13432 & OK Compost (180 days) | Non-biodegradable (500+ years) |
| Tensile Strength (MD/TD) | 28 MPa / 24 MPa | 22 MPa / 18 MPa | 30 MPa / 26 MPa |
| Elongation at Break | 420% / 500% | 380% / 460% | 450% / 600% |
| Water Vapor Transmission Rate | Medium-High (Reduces odor buildup) | High (Keeps organics fresh/dry) | Extremely Low (Traps condensation) |
| Optimal Storage Shelf Life | 12 - 18 Months (Cool, dry conditions) | 10 - 14 Months (Controlled environment) | Indefinite |
Note on Shelf-Life & Stability: Because compostable resins are sensitive to ambient warmth, moisture, and microbial activity, our packaging engineering team adds specialized heat-stabilizers and moisture barriers during extrusion. This ensures your customized OEM/ODM bags maintain optimal structural integrity throughout shipping, warehousing, and operational usage cycles.
Our parent entity, Linyi TH Environmental Technology Co., Ltd., specializes in the manufacturing, development, marketing, and after-sales service of chemical and biochemical systems. Our state-of-the-art production complex covers an expansive area of 300,000 square meters, yielding an annual capacity of 300,000 metric tons (MT).
Drawing on over 18 years of manufacturing experience, our operations encompass independent design capabilities, modern quality control laboratories, and highly scalable production lines including high-tower granular processing, rotary drum granulation, extrusion systems, and specialized biopolymer compounding setups. This vast chemical and material engineering background gives us a unique competitive advantage in standardizing molecular quality, ensuring batch-to-batch consistency for all compostable plastics and packaging films.
Today, our specialized products are widely exported to Asian markets (Japan, Korea, Vietnam, Malaysia, Myanmar, Cambodia), South America (Peru, Brazil), the Middle East (UAE, Egypt, Iran), and Africa (Kenya, Tanzania). We have built a robust international reputation based on operational transparency, stringent quality testing, and comprehensive local support.
Importing compostable products requires navigating strict local environmental legislation and certification programs. Without verifiable testing, products can face customs delays or heavy municipal fines. We offer full certification transparency and local support to align your brand with regional compliance frameworks.
Our formulations undergo rigorous testing to meet EN 13432 standards. Our materials hold TUV OK Compost Industrial and OK Compost Home certifications, ensuring biodegradability in municipal compost facilities and household compost piles alike. In accordance with EU plastic-tax directives, we also provide options that minimize the usage of fossil fuels by optimizing bio-content fractions.
To enter the US and Canadian commercial markets, compostable bags must adhere to ASTM D6400 specifications. We support our OEM clients through BPI (Biodegradable Products Institute) registration pathways, providing testing data from accredited third-party laboratories. This ensures compliance with local state bans on traditional non-degradable shopping and garbage bags.
We supply materials compliant with AS 4736 (industrial composting) and AS 5810 (home composting). The Australian market enforces strict physical performance metrics and eco-toxicity testing (ensuring compost does not harm worms or plant growth). Our bags are verified to support healthy agricultural soils and organic farming applications.
From municipal organic waste management to high-volume food retail packaging, our customized OEM/ODM compostable bags deliver functional utility without environmental compromises.
Custom-printed checkout bags, mailing satchels, and garment bags engineered with high tear resistance. Featuring clear, customizable eco-labeling to educate end-consumers on appropriate composting and sorting methods.
Heavy-duty trash liners, produce bags, and food scrap collection bags. High breathability properties allow water vapor to escape, lowering moisture condensation and minimizing foul odors in commercial kitchen spaces.
Optimized collection systems designed to interface with organic inputs and compost processes. Our parent company's expertise in environmental technology and fertilizer systems makes us uniquely suited to manage organic lifecycles from bag to soil.
Get direct, expert-level answers to key operational, material, and regulatory inquiries when sourcing compostable bags at scale.
TH Fertilizer
