Moisture Proof Multi Layer Structure Inner Bag Of Container Bag For
Chemical Powder Food Solids Storage
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, puncture resistance, lightproof, soft texture, stable
oxygen permeability, wear resistance, high tensile strength | | Mechanical Properties | Tensile force ≥30-100 N/15mm, puncture resistance ≥3-12 N,
elongation at break ≥200%, excellent anti-kneading performance | | Application | Lithium battery cathode/anode materials, degradable plastic
particles, food powder/solids, chemical intermediates/powders,
daily chemical intermediates, nylon particles | | Production | Full high-speed automatic production line; non-magnetic physical
workshop standard; pollution-free production process |
| 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. Ultra-high Barrier Protection
This container bag inner bag adopts PET/AL/PA/PE and VMPET
composite structures, which achieves excellent barrier effects
against oxygen, moisture and light. It can effectively isolate
external air and moisture, preventing the deterioration of lithium
battery materials, food powder and other sensitive materials during
storage and transportation.
2. Robust Mechanical Durability
With a tensile force of ≥30-100 N/15mm and puncture resistance of
≥3-12 N, the inner bag has strong anti-kneading and wear
resistance. It can withstand the extrusion, collision and repeated
handling in industrial transportation, and is not easy to tear or
leak, ensuring the safety of packaged materials.
3. Versatile Material Structure Options
We provide multiple material structures including PET/AL/PA/PE,
PE/AL/PA/PE and PET/VMPET/PE, as well as single-layer PE structure.
Different structures can be selected according to the
characteristics of materials like lithium battery raw materials,
food solids and chemical intermediates.
4. Broad Industrial Applicability
The inner bag is widely used in packaging lithium battery cathode
and anode materials, degradable plastic particles, food powder,
chemical intermediates and daily chemical raw materials. It
perfectly meets the packaging demands of new energy, food
processing, chemical manufacturing and daily chemical industries.
5. Flexible Customization Service
We support personalized customization of size, thickness and
material structure for the inner bag, and also offer surface
material customization and logo printing service. This allows
the product to be tailored to the specific usage scenarios and
brand needs of customers.
6. High-standard Production Process
The inner bags are produced by a full high-speed automatic
production line, and the workshop complies with non-magnetic
physical standards with a pollution-free production process. This
ensures the consistent quality and high performance of each
product, meeting the strict requirements of industrial production. 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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