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When securing massive, high-value equipment for transcontinental ocean transit or extended warehouse preservation, standard packaging simply falls short. The Large Volume Foil Bag is meticulously crafted to wrap your heavy machinery, CNC units, and oversized molds in an impenetrable fortress. Touching the surface of this material reveals a thick, reassuringly rigid, yet pliable metallic composite that speaks directly to its heavy-duty nature. It creates a hermetically sealed micro-climate, completely locking out the corrosive salt-laden air of ocean freight and the pervasive dampness of industrial storage facilities. By utilizing a sophisticated multi-layer architecture, this packaging solution actively works to preserve the pristine condition of bare metals and intricate electronic panels. The satisfying, crisp sound of the foil folding around structural contours assures operators of a tight, secure enclosure. Instead of dealing with the costly aftermath of rusted gears, degraded circuits, or compromised structural integrity, procurement teams can rely on this advanced barrier. It fundamentally transforms logistical risk management, ensuring that when your cargo reaches its destination—even after months at sea—it emerges in the exact factory-fresh condition it was packed in, ready for immediate deployment without the need for costly rework, scraping, or intensive cleaning.
Large Volume Foil Bag – Key Advantages & Features
1. Outstanding Moisture & Oxygen Barrier Performance
This Large Volume Foil Bag adopts multi-layer aluminum foil composite structure with extremely low WVTR, effectively blocking moisture, oxygen and salt mist. It provides a reliable closed environment, completely preventing oxidation, rust and mildew for long-distance ocean shipping and long-term storage.
2. Extra Large Capacity & 3D Stereo Design
With a unique three-dimensional structure, this large volume bag offers sufficient space for oversized equipment, molds and heavy machinery. It enables full surrounding coverage instead of partial wrapping, ensuring all-round protection for bulky and irregular goods.
3. Fully Custom Size for Flexible Application
We provide complete customization of width, height, length and thickness to meet different equipment dimensions. The tailored Large Volume Foil Bag fits perfectly without redundant space, greatly improving packaging stability and protection efficiency for various industrial products.
4. Heavy Duty & High Tensile Strength
Made of thickened reinforced material, it features high puncture resistance and tear resistance. It can bear heavy friction and collision during handling and stacking, avoiding breakage or damage. Its service life is much longer than ordinary plastic packaging bags.
5. Easy Sealing & Wide Compatibility
The bag supports heat sealing, adhesive tape sealing and vacuum packaging. It is lightweight, flexible and easy to operate without professional tools. It is widely compatible with equipment export, logistics and storage, enhancing overall packaging safety and efficiency.
| TECHNICAL DATA SHEET | ||
| 3 layers Aluminium foil | ||
| Type/Model: | PET+AL+PE（VCI） | |
| Thickness: | PET13um , AL7um , PE220um | |
| Strength test report: | ||
| Test Item: | Tensile strength, breaking strength, Elongation at break, tear strength | |
| 1 Test Ambient: | temperature 21-22°C relative humidity 51-55%RH | |
2 Test Instruments:
| devicename | device number | |||
| 1 | EJA Vantage | WXR1330 | ||
3 Test Process:
| Test Item | Test Condition | |||||
| Puncture strength | 50mm/min steel needle 1.0mm | |||||
| WVTR | Infrared detection sensor method | |||||
| MaxF, Tensile strength, Elongation at break | 250mm/min | |||||
4 Test Resuil
| Test Item | Test Resuil | |||||
| Puncture strength | 19.2N , 18.6N | |||||
| WVTR | ＜0.005（Detection limit 0.005） | |||||
| 1# | 2# | 3# | 4# | 5# | AVERAGE | |
| Tensile strength(MPa) | 32.6124 | 33.438 | 31.7664 | 32.7876 | 32.3616 | 32.5932 |
| breaking strength(MPa) | 18.7476 | 19.0272 | 20.7588 | 20.3844 | 20.9208 | 19.96776 |
| Elongation at break(%) | 297.048 | 297.042 | 296.8656 | 296.9436 | 297.4236 | 297.06456 |
| tear strength(N/mm) | 407.6472 | 417.9756 | 397.0752 | 402.6768 | 411.2376 | 407.32248 |
| Max F(N) | 73.3764 | 75.2352 | 71.4732 | 73.5744 | 74.5344 | 73.63872 |
5 VCI Protection
Application: For multipal metals
Protection period: 6-24months, depends on packing condition and environment.
Large Volume Foil Bag – Application Scenarios
1. CNC Machinery & Industrial Equipment Packaging
Suitable for CNC machines, motors, generators and large mechanical equipment. The large volume foil bag provides full coverage against moisture and dust, protecting precision parts from oxidation and damage during storage and long-distance transport.
2. Overseas Export & Ocean Shipping
Widely used for international export packaging. It effectively isolates salt mist, humidity and harsh outdoor conditions, ensuring stable protection for bulky goods during long sea voyages and cross-border logistics.
3. Large Molds & Metal Components
Ideal for heavy molds, castings, forgings and metal parts. Its extra-large size and high barrier performance prevent rust and corrosion, maintaining surface quality and performance for long-term preservation.
4. Long-Term Warehouse Storage
Perfect for factory indoor and outdoor storage. It blocks moisture, dust and air, keeping equipment dry and clean. It greatly extends storage time and reduces maintenance costs for industrial products.
5. Oversized & Irregular Goods Packaging
Designed for large, heavy or irregular items that standard bags cannot fit. Flexible and spacious, it offers all-round protection for various oversized products in logistics and manufacturing.
How to Use Large Volume Foil Bag
Place the product gently into the large volume foil bag, ensuring full coverage. Seal the opening tightly with heat sealing or strong packaging tape to maintain good barrier performance. Avoid sharp edges piercing the bag. After sealing, store or transport in a dry, stable environment. Simple operation, efficient and safe, providing reliable protection for large equipment and components.
To fully understand the capability of this packaging, we break down its performance across six critical dimensions of industrial application.
The foundation of this product lies in its PET+AL+PE three-layer thickened composite structure. By fusing these specific polymers with a pure aluminum core, the material achieves an optimal balance of flexibility and sheer tensile strength. It is specifically formulated to endure the heavy friction, vibration, and blunt force impacts inherent in global supply chains, outlasting conventional plastic alternatives by a wide margin.
Achieving a completely isolated micro-environment is crucial. With an infrared-detected WVTR of less than 0.005, the barrier performance is absolute. This guarantees that highly sensitive CNC components, exposed gears, and delicate electrical panels are shielded from the corrosive marine environments and fluctuating humidity levels that cause catastrophic rust.
Standard flat bags cannot accommodate the complex geometries of industrial equipment. We utilize a 3D stereo design process, offering full customization of length, width, height, and depth. This tailored approach ensures the foil wraps snugly around the cargo, eliminating redundant air pockets, minimizing material waste, and significantly enhancing the stability of the load on the pallet.
Efficiency on the packing floor translates directly to cost savings. The material's lightweight yet tough nature allows workers to maneuver it easily over towering machinery. Its wide compatibility with various sealing methods—especially vacuum packaging—helps compress the overall cargo volume, securing the load tightly and optimizing valuable shipping container space.
Reliability is proven in the laboratory before it is tested in the field. Our material undergoes rigorous stress testing, demonstrating an average tensile strength of 32.59 MPa and an extraordinary elongation at break of 297%. With a tear strength exceeding 407 N/mm, procurement officers can trust the empirical data that guarantees the packaging will not fail under logistical duress.
This solution is precisely engineered for the most demanding environments. Whether it is shielding a multi-ton generator during a six-week sea voyage, protecting precision metal castings in an outdoor storage yard, or preserving massive injection molds between production runs, this packaging dramatically reduces maintenance overhead and prevents inventory loss.
Selecting the right packaging partner is as critical as the packaging itself. We provide more than just materials; we deliver supply chain security.
Direct Manufacturing Excellence: As the primary manufacturer, we maintain absolute control over the extrusion, lamination, and fabrication processes, ensuring every square meter meets strict industrial standards.
Precision Engineering: Our ability to create fully customized 3D structures means your exact equipment dimensions dictate the packaging, not the other way around.
Uncompromising Quality Assurance: Every batch is backed by comprehensive laboratory data, verifying puncture resistance, tensile strength, and barrier efficacy before it ever reaches your facility.
Global Protection Expertise: We understand the harsh realities of international logistics. Our products are specifically formulated to combat the salt mist, extreme temperature fluctuations, and physical abuse of cross-border shipping.
1. Can you provide custom sizes?
Yes, we fully customize width, height, length and thickness for our large volume foil bag. It can be made to fit oversized equipment, CNC machines, molds and bulky cargo for perfect packaging and protection.
2. Is it moisture and rust proof?
Yes. Multi-layer aluminum foil structure offers excellent moisture, oxygen and salt mist barrier. It effectively prevents rust, oxidation and mildew, ideal for long-term storage and ocean shipping.
3. Can it be used for vacuum packaging?
Absolutely. The bag has high sealing strength and supports vacuum packing. It forms a tight protective layer, reducing packaging volume and improving stability during transportation.
4. How durable is the material?
It is made of heavy-duty reinforced composite material, tear-resistant and puncture-resistant. It withstands handling, stacking and friction, avoiding breakage and ensuring reliable protection for heavy goods.
Absolutely. The multi-layer structure possesses excellent structural integrity and high weld strength, making it ideal for vacuum extraction. Drawing a vacuum removes residual moisture from the package and pulls the foil tight against the equipment, creating a rigid, highly stable package that minimizes movement and saves space during transport.
We work closely with your engineering or logistics teams to gather the maximum outer dimensions (length, width, height) of the equipment, including any protruding panels or lifting eyes. We then calculate the necessary tolerances to ensure the bag can be easily applied while remaining snug enough to facilitate effective vacuum sealing and optimal palletization.
