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# 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.
# Large Volume Foil Bag – FAQs
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.
