| Product Name | Main performance | Use |
| KPA | Good coating adhesion and mechanical properties Features water-boil resistance. High barrier properties (moisture and gases) Good printing performance |
Suitable for meat products, aquatic products, pastries, and certain items that require sterilization by boiling in water. Composite film packaging |
| KOPP | Good coating adhesion and mechanical properties High barrier properties (moisture and gases) Good printing performance |
Suitable for high-barrier composite bags used in bread, pastries, mooncakes, puffed foods, and more. |
| KPET: Excellent coating adhesion and mechanical properties High barrier properties (moisture and gases) Good printing performance |
Suitable for high-barrier composite bags used in bread, pastries, mooncakes, puffed foods, and more. | |
| Project | Unit | KPA | KOPP | KPET | Detection method | |
| Thickness | micrometer | 17 | 21/30 | 14 | GB/T6672 | |
| Tensile strength | MD | MPa | 154 | 110 | 170 | GB/T1040.3 |
| TD | MPa | 222 | 180 | 180 | ||
| Elongation at break | MD | % | 100 | 170 | 110 | GB/T1040.3 |
| TD | % | 100 | 40 | 100 | ||
| Thermal shrinkage rate | MD | % | 2 | 3.5 | 1 | GB/T12027 |
| TD | % | 1.7 | 1.8 | 0.5 | ||
| Coefficient of friction | Non-coated surface | 0.39 | 0.5 | 0.36 | GB/T10006 | |
| Water vapor permeability | g/m²·24h | ≤15 | ≤6 | ≤10 | GB/T21529) | |
| Oxygen Permeability | cm²/m²·24h | ≤10 | ≤15 | ≤10 | GB/T19789 | |
| Wet tension | Coated surface IN |
dyne/cm | ≥48 | ≥38 | ≥52 | GB/T14216 |
Precautions for use:
During the composite processing of aluminum films, their barrier properties and bonding strength can easily be affected by factors such as the composite process itself. Please pay attention to process control during composite operations.
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