Moisture Resistant Aluminum Foil Inner Bag of Container Bag Lightproof Liner for Chemical Lithium Battery Food Packaging
Based on the explosive growth of raw material products such as lithium batteries, degradable plastic particles, nylon and so on, we quickly laid out solid soft packaging business in inner bag of container bags and introduced the first full-servo high-speed automatic production line in China to improve production efficiency. At the same time, we continue to improve the characteristics of different film materials, strictly control the magnetic ad non-magnetic physical standards of the workshop, to make the inner bag is more anti-oxidation, moisture resistance, corrosion resistance, pollution-free, and give the container bag a wider range of safer material performance and application.
| Product Type |
Inner Bag of Container Bag/Ton Bag |
| Material Structure |
PET/AL/PA/PE;PE/AL/PA/PE; PET/VMPET/PE |
| Core Features |
Anti-oxidation, moisture/corrosion resistance, anti-kneading, high barrier, lightproof, puncture/tear resistance, wear resistance, soft texture, stable oxygen permeability, high tensile strength |
| Mechanical Properties |
Tensile force ≥30-100 N/15mm, puncture resistance ≥3-12 N, elongation at break ≥200%, excellent anti-kneading & impact resistance |
| Application |
Lithium battery cathode/anode materials, food powder/solids, chemical intermediates/powders, daily chemicals, degradable plastic particles, nylon particles, pharmaceutical raw materials |
| Production |
Full high-speed automatic production line; non-magnetic physical workshop; pollution-free manufacturing; food-grade & industrial safety standard compliance; strict quality control system |
| Product name |
Structural composition |
Product feature |
|
Aluminum foil inner bag
The surface material is PET
|
 |
It has the characteristics of anti-rubbing, not easy to break, soft, stable overall oxygen permeability and so on |
|
Aluminum foil inner bag
The surface material is PET
|
|
The surface material is 100% PE, it has the advantage of aluminum foil inner bag but more soft. |
|
VMPET inner bag
The surface material is PET
|
|
It has high tensile strength, high barrier, puncture resistance, kneading resistance and many other mechanical properties. |
| Inspection item |
Standard requirement |
| PET/AL/NY/CPE |
CPE/AL/NY/CPE |
PET/NY/CPE |
PET/VMPET/CPE |
CPE/CPE |
VMPE/CPE |
| Pulling strength(N/15mm) |
≥100 |
≥80 |
≥80 |
≥80 |
≥30 |
≥30 |
| Breaking Elongation(%) |
≥80 |
≥80 |
≥80 |
≥80 |
≥300 |
≥300 |
| Resistant to pendulum impact (J) |
≥2.0 |
≥2.0 |
≥2.0 |
≥1.0 |
≥1.0 |
| Oxygen transmittance cm3/(㎡.24h.0.1mpa) |
≤0.5 |
≤100 |
≤2 |
- |
≤100 |
| Water vapor transmittance g/(㎡.24h) |
≤0.5 |
≤10 |
≤2 |
≤15 |
≤2 |
| Combined strength(N/15mm) |
PET/AL ≥2.5 |
PE/AL ≥2.5 |
PET/NY ≥2.5 |
PET/NY ≥2.5 |
CPE/CPE ≥2.5 |
VMPE/CPE ≥2.0 |
| AL/NY ≥3.5 |
AL/NY ≥3.5 |
NY/CPE ≥5 |
NY/CPE ≥5 |
- |
- |
| NY/CPE ≥5 |
NY/CPE ≥5 |
- |
- |
- |
- |
| Heat sealing strength(N/15mm) |
≥100 |
≥80 |
≥80 |
≥80 |
≥80 |
≥80 |
| Puncture strength(N national standard) |
≥12 |
≥8 |
≥10 |
≥10 |
≥3 |
≥3 |
1. Superior Barrier Protection
Our aluminum foil inner bag of container bag adopts a multi-layer composite structure of PET/AL/PA/PE, which delivers exceptional barrier performance against oxygen, moisture and light. It effectively blocks external air, water vapor and UV rays, preventing oxidation and deterioration of lithium battery materials, food powder and chemical intermediates during long-term storage and transportation.
2. Robust Mechanical Strength
Boasting a tensile force of ≥30-100 N/15mm, puncture resistance of ≥3-12 N and elongation at break of ≥200%, this inner bag has outstanding anti-kneading and tear-resistant properties. It can withstand friction, collision and heavy handling in industrial logistics, ensuring the integrity of packaged materials without easy damage.
3. Broad Industrial Applicability
Designed for diverse industrial scenarios, the inner bag is ideal for packaging lithium battery cathode/anode materials, food solids/powders, chemical intermediates, degradable plastic particles, nylon particles and pharmaceutical raw materials. It meets the strict packaging requirements of new energy, food, chemical and pharmaceutical industries simultaneously.
4. Fully Customizable Design
We offer comprehensive customization services for the inner bag, including size adjustment based on FIBC/ton bag specifications, thickness modification according to packaging needs, and shape customization like cube and irregular block. Custom printing of logos, product information and warning signs is also available to meet brand and application demands.
5. High Material Safety & Compliance
Made from composite materials, the inner bag is non-toxic, odorless and pollution-free. It complies with international food safety standards and industrial material packaging regulations, making it safe for direct contact with food powder and pharmaceutical raw materials without contamination risks.
6. Eco-Friendly Production & Materials
Produced in a non-magnetic physical workshop with a full high-speed automatic production line, the manufacturing process is completely pollution-free. We also provide recyclable mono-material options for the inner bag, reducing environmental impact and aligning with the green packaging trends of modern industries.
The application of ton bag:
All suitable for the ton bag packaging industry, like new energy lithium battery industry, chemical raw materials, pharmaceutical raw materials, plastic raw materials, food additives, feed additives, metallurgical powder, ore powder, sand and gravel, refractory materials and so on, the container bags mainly pack block, granular or powdered items, and the physical density and looseness of the contents also have a significantly different impact on the overall result.
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