China Supplier: Heavy - Duty Plastic Bags for Frozen Food - Factory Price Sale

Heavy-Duty Plastic Bags for Frozen Food – Unmatched Durability, Ultra-Low Temperature Resistance, and Global Compliance  

As a leading manufacturer based in Weifang, China, with 30+ years of industry expertise since our establishment in 1993, we specialize in producing heavy-duty plastic bags engineered to withstand the extreme demands of frozen food storage and transportation. Strategically located at the North Section of East Outer Ring Road, Zhucheng City, our 10,000㎡ state-of-the-art facility integrates advanced polymer technology, multi-layer co-extrusion systems, and rigorous quality control to deliver packaging solutions that ensure product integrity, compliance, and cost efficiency for clients worldwide.  

With CNY 10 million in fixed assets, an annual production value of CNY 20 million, and a dedicated team of 130 professionals, we serve global clients in the seafood, meat, ready-to-eat meal, and agriculture sectors. Our heavy-duty frozen food bags are trusted by Fortune 500 companies and exporters across 60+ countries, offering superior puncture resistance, leak-proof seals, and compliance with international food safety standards.  

---

Product Overview: Heavy-Duty Plastic Bags for Frozen Food  

Heavy-duty plastic bags for frozen food are designed to protect products from physical damage, freezer burn, and contamination during long-term storage and transit. Key applications include:  

- Seafood: Frozen fish fillets, shrimp, scallops, and crab legs.  

- Meat & Poultry: Bulk packaging for beef, pork, chicken, and processed meats.  

- Ready-to-Eat Meals: Frozen vegetables, pre-cooked dishes, and meal kits.  

- Agriculture: Frozen fruits, berries, and herbs.  

Core Advantages:  

- Ultra-Low Temperature Resistance: Maintain flexibility and strength at -50°C.  

- Puncture & Tear Resistance: Protect sharp or heavy contents.  

- Leak-Proof Seals: Prevent moisture loss and contamination.  

- Sustainability: Recyclable and mono-material options available.  

---

Detailed Product Parameters  

#1. Material Composition & Structures  

Our bags are crafted from multi-layer co-extruded films and laminates optimized for frozen environments:  

- Multi-Layer Films:  

  - PA/PE (Nylon/Polyethylene): 3–5 layers; puncture-resistant, ideal for bone-in meats and shellfish.  

  - PET/PE/EVOH/PE: 7-layer structure; ultra-high oxygen barrier (OTR ≤2 cm³/m²·24h·atm) for premium seafood.  

  - PP/PP: Mono-material recyclable films with integrated anti-static additives.  

- Thickness: 100–300 microns (customizable based on product weight and sharpness).  

- Reinforcements:  

  - Corner Guards: Extra-thick seals for stress points.  

  - Woven Liners: Integrated fabric layers for abrasive products (e.g., frozen vegetables).  

#2. Functional Performance  

- Temperature Resistance:  

  - Operating Range: -50°C to 95°C (ASTM D1790).  

  - Impact Strength at -40°C: ≥50 kJ/m² (ISO 179).  

- Mechanical Strength:  

  - Tensile Strength: ≥35 MPa (machine direction), ≥30 MPa (transverse direction) (ASTM D882).  

  - Puncture Resistance: ≥15N (ASTM D1709).  

  - Elongation at Break: ≥300% (ASTM D882).  

- Seal Integrity:  

  - Heat Seal Strength: ≥40 N/15mm (ASTM F88).  

  - Leak Resistance: Passes ASTM D3078 bubble emission test at 0.5 bar.  

- Barrier Properties:  

  - Water Vapor Transmission Rate (WVTR): ≤2 g/m²·24h (prevents freezer burn).  

  - Oxygen Transmission Rate (OTR): ≤5 cm³/m²·24h·atm (EVOH-based films).  

#3. Bag Types & Customization  

- Flat Bags:  

  - Sizes: 200mm x 300mm to 1000mm x 1200mm.  

  - Applications: Portioned seafood, meat cuts, and frozen fruits.  

- Gusseted Bags:  

  - Side or Bottom Gussets: Expandable capacity for bulky items (e.g., whole poultry).  

  - Fitments: Zippers, pour spouts, or vacuum valves.  

- Vacuum Bags:  

  - High-Barrier Films: Compatible with chamber vacuum machines.  

  - Anti-Fog Coating: Inner layer treatment for product visibility.  

- Printed Bags:  

  - High-Definition Printing: Up to 8-color flexographic or rotogravure printing.  

  - Smart Features: QR codes, batch numbers, and cooking instructions.  

#4. Certifications & Compliance  

- Food Safety: FDA 21 CFR, EU 10/2011, LFGB, and GB 9685 (China).  

- Quality Standards: ISO 9001, BRCGS Packaging, HACCP.  

- Sustainability: APR Recyclability Certification, ISO 14001.  

---

Manufacturing Strength & Technological Capabilities  

#1. Advanced Production Infrastructure  

- Facility Scale: 10,000㎡ factory with 12 automated production lines.  

- Key Equipment:  

  - Multi-Layer Co-Extrusion Lines: 7-layer blown and cast film systems for precise barrier control.  

  - High-Speed Bag Making Machines: Output up to 200 bags/minute.  

  - Vacuum Seal Testers: Inline leak detection systems.  

  - Slitting & Punching: Precision servo-driven machines for custom shapes.  

- R&D Lab:  

  - Cold impact testers (ASTM D746).  

  - Oxygen and moisture permeability analyzers (MOCON).  

  - Seal integrity and tensile strength testers.  

#2. Quality Assurance Process  

- Raw Material Control:  

  - Food-grade resins sourced from Dow, ExxonMobil, and Borealis.  

  - Supplier audits and Certificates of Analysis (CoA) for every batch.  

- In-Process Testing:  

  - Real-time thickness monitoring (laser gauges with ±1µm accuracy).  

  - Seal strength checks every 30 minutes.  

- Final Inspection:  

  - 100% visual inspection for defects (pinholes, seal misalignment).  

  - Batch-specific testing reports (OTR, WVTR, mechanical properties).  

#3. Sustainability Initiatives  

- Recyclable Materials: Mono-material PE and PP films compatible with recycling streams.  

- Energy Efficiency:  

  - Solar panels generate 25% of facility energy.  

  - Heat recovery systems reduce energy consumption by 18%.  

- Waste Reduction:  

  - 98% production scrap recycled into non-food-grade products.  

  - Biodegradable additive options for compostable bags.  

---

Service Advantages  

#1. Customization & Flexibility  

- Tailored Solutions: Adjust bag size, thickness, and features (zippers, handles, vents).  

- Prototyping: 3D mockups and physical samples within 5–7 days.  

- MOQ Flexibility: Orders start at 5,000 bags for small businesses.  

#2. Global Logistics & Speed  

- Fast Turnaround: 15–25 days for standard orders; expedited production in 10 days.  

- Shipping Expertise: FOB Qingdao, CIF, DDP terms. Partnerships with Maersk, DHL, and FedEx.  

- Packaging: Corrugated boxes or palletized rolls with moisture-proof liners.  

#3. After-Sales Support  

- 24/7 Technical Assistance: Guidance on storage, sealing parameters, and regulatory compliance.  

- Quality Guarantee: 12-month warranty against manufacturing defects.  

- Regulatory Documentation: FDA No Objection Letters (NOL), EU Declaration of Conformity.  

---

Global Export Leadership  

- Export Markets: Serving 60+ countries, including the USA, Japan, Germany, Australia, and Brazil.  

- Compliance Expertise:  

  - REACH, RoHS, and Prop 65 compliance.  

  - Multilingual labeling (English, Spanish, Arabic).  

- Sustainability Commitments:  

  - Carbon-neutral shipping via DHL GoGreen.  

  - Partnerships with TerraCycle for plastic bag recycling.  

---

Case Study: Securing Frozen Seafood Exports for a Canadian Supplier  

Client: A Canadian seafood exporter requiring heavy-duty bags for frozen lobster tails.  

Challenges:  

- Prevent bag rupture during -30°C storage and trans-Pacific shipping.  

- Meet USDA and EU import regulations.  

Solution:  

- Developed 5-layer PA/PE bags with 250-micron thickness and reinforced corners.  

- Integrated vacuum valves and FDA-compliant printing.  

- Achieved 0% failure rate in transit and compliance with FSMA regulations.  

---

Why Choose Us?  

1. 30+ Years of Expertise: Trusted by global leaders like Cargill, Maruha Nichiro, and Sysco.  

2. Cost Efficiency: Competitive pricing with 20–30% savings over North American suppliers.  

3. Innovation-Driven: 10% annual revenue reinvested in R&D for sustainable packaging breakthroughs.  

---

Contact Information  

Factory Address: Dongwaihuan Road, Weifang City, Shandong Province, China

Email: zhugeorge158@gmail.com  
WhatsApp: +86 15853635022 

Website: https://www.huasupackaging.com/ 

---  

Your Trusted Partner in Heavy-Duty Frozen Food Packaging – Ensuring Safety, Durability, and Compliance Since 1993