Advanced Co-Extruded Liquid Storage Bags

Professional BIB Packaging Solutions

Integrated Performance Polymer Layers

Our advanced co-extruded bags feature 5 to 9 distinct polymer layers extruded simultaneously, ensuring seamless adhesion without the need for chemical adhesives. Each layer serves a specific purpose, such as abuse resistance (NYLON), gas barrier (EVOH), and sealing integrity (PE). This technology provides superior structural strength and significantly reduces the potential for delamination when compared to laminated structures, ideal for rigorous industrial environments.

Jingle Packaging Core Advantages

Leveraging 15+ Years of Expertise in Liquid Flexible Packaging Solutions

Strategic Location

Located in Suzhou's Wujiang Economic Development Zone, just 100km from Shanghai, providing excellent logistics access to global markets and supply chain efficiency.

Technical Expertise

15+ years of industry experience with deep technical knowledge across food, beverage, and industrial liquid packaging applications.

Advanced Production

State-of-the-art bag-in-box production lines capable of customized manufacturing to meet specific client requirements and market demands.

Complete Solutions

End-to-end services including packaging development, filling equipment support, and comprehensive after-sales service for complete customer satisfaction.

Quality Assurance

Rigorous quality control processes ensuring all packaging products meet international standards for safety, durability, and performance.

Customer Partnership

Collaborative approach working closely with clients to explore new market opportunities and develop innovative packaging solutions.

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Single-Run Structural Integrity

LPS specializes in co-extruded film technology, offering a robust and chemically cleaner solution for liquid storage. By integrating all functional layers into one monolithic film, we provide superior barrier performance and mechanical strength, making these bags a reliable choice for high-value or demanding industrial liquid applications.

Specification Details

Layer Technology5- to 9-Layer Co-Extrusion
Primary BenefitSuperior Mechanical Strength and Zero Adhesive Use
Barrier OptionIntegrated EVOH Gas Barrier Layer
Film ThicknessCustomizable from 60 microns to 250 microns
Compatible Liquid TypesAlcohol-based solvents, viscous polymers, high-purity water, acidic concentrates.
  • Q: What is the main difference between co-extruded and laminated bags?
  • A: Co-extrusion creates the multi-layer film in one step, fusing the layers without adhesive, leading to higher strength. Lamination bonds separate pre-made films using an adhesive, offering flexibility in material combinations but sometimes lower resistance to chemical delamination.
  • Q: Can co-extruded films be recycled?
  • A: If the film uses only compatible polymer families (e.g., PE-based tie layers for EVOH), the structure can often be classified as mono-material ready and processed through conventional PE recycling streams.

Structural Focus

  • Film: Co-extruded web material made in a single run.
  • Tie Layers: Specialized polymer layers within the structure that bond the main functional layers.
  • Fitments: HDPE or PP gland heat-welded to the PE seal layer.
  • Pouch/Liner Shape: Customized shape to maximize space utilization of the outer container.

Material & Assembly Process

Materials: LLDPE, HDPE, NYLON, and EVOH resins. Process: Blown Film Co-Extrusion (or Cast), followed by automated bag conversion using precision heat sealing equipment to weld the edges and fitments.

Structural and Chemical Purity Advantages

  • Delamination Proof: Layers are chemically bonded during the extrusion process, providing exceptional structural integrity.
  • Clean Chemistry: Eliminates adhesives and potential migration issues, ideal for high-purity contents.
  • Optimized Cost: Co-extrusion is often more cost-effective for large-volume, complex film structures than lamination.
  • Exceptional Seal Strength: The PE sealant layer is designed for maximum consistency and burst resistance.

Application Industries

  • Industrial Chemicals: Solvents, resins, and specialty fluids needing high chemical resistance.
  • Automotive: Bulk oil and lubricant liners requiring high strength.
  • Pharmaceutical Intermediates: Liquids requiring a very low extractables profile.
  • Food Grade Aseptic: High-barrier liners for long-life concentrates.

Frequently Asked Questions

  • What are the main advantages of BIB packaging?

  • Bag-in-Box packaging offers several key benefits: extended shelf life through aseptic technology, reduced packaging waste compared to rigid containers, cost-effective transportation due to space efficiency, excellent product protection with multi-layer barrier films, and user-friendly dispensing systems. Our BIB solutions maintain product quality while reducing environmental impact.

  • What industries use your BIB packaging?

  • Our packaging solutions serve multiple industries including food & beverage (juices, dairy, wine), industrial liquids (chemicals, lubricants), pharmaceutical intermediates, and cosmetic products. We provide customized solutions for each industry's specific requirements.

About Suzhou Jingle Packaging

Located at No. 758, Longqiao Road, Wujiang Economic Development Zone, Suzhou, we are a leading China Advanced Co-Extruded Liquid Storage Bags Supplier and Wholesale Advanced Co-Extruded Liquid Storage Bags Company. Our strategic location provides easy access to major transportation routes.

We operate advanced bag-in-box production lines designed in-house, enabling customized specifications to meet diverse client requirements. Our commitment to innovation and quality has established us as a trusted partner in flexible packaging solutions.

Suzhou Jingle Packaging manufacturing facility

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