| Product Name | Main performance | Use |
| VMPET-GNF | Improve the strength of the inner composite layer | Enhance the strength of inner-layer composites for solid and powder packaging; not suitable for liquid packaging. |
| VMPET-HNF | High barrier properties (oxygen barrier + moisture barrier) Improve the strength of the inner composite layer |
Enhance the strength of inner-layer composites for solid and powder packaging; not suitable for liquid packaging. |
| VMPET-HF | High barrier properties (oxygen barrier + moisture barrier) Improve the bonding strength of the aluminum layer. |
Enhance the bonding strength of aluminum layers for solid and powdered packaging, as well as non-liquid, high-barrier packaging. |
| VMPET-HT | High barrier properties (oxygen barrier + moisture barrier) Improve the bonding strength of the aluminum layer. Water-resistant sterilization |
Suitable for various applications with extremely high requirements for composite fastness and barrier properties, as well as high resistance to acid and alkali corrosion. Composite film packaging |
| VMPET-HC | High barrier properties (oxygen barrier + moisture barrier) Improve the bonding strength of the aluminum layer. Features resistance to weak acids and bases. Water-resistant sterilization |
Suitable for various applications with extremely high requirements for composite fastness and barrier properties, as well as high resistance to acid and alkali corrosion. Composite film packaging |
| VMPET-121-A | High barrier properties (oxygen barrier + moisture barrier) Ultra-high aluminum-layer composite strength Features resistance to weak acids and bases. Water-resistant sterilization |
Suitable for applications with extremely high requirements for composite fastness and barrier properties, as well as resistance to acid and alkali corrosion and performance stability. Highly demanding packaging for various special composite films or tubing. |
| Project | Unit | VMPET -GNF |
VMPET- HNF |
VMPET -HF |
VMPET- HT |
VMPET- HC |
VMPET-121- A |
Detection method | |
| Thickness | micrometer | 12 | 12 | 12 | 12 | 12 | 12 | GB/T6672 | |
| Tensile strength | MD | MPa | 220 | 220 | 220 | 220 | 220 | 220 | GB/T1040.3 |
| TD | MPa | 210 | 210 | 210 | 210 | 210 | 210 | ||
| Elongation at break | MD | % | 130 | 130 | 130 | 130 | 130 | 130 | GB/T1040.3 |
| TD | % | 120 | 120 | 120 | 120 | 120 | 120 | ||
| Thermal shrinkage rate | MD | % | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | GB/T 12027 |
| TD | % | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | ||
| Coefficient of friction | Film/Film | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | GB/T 10006 | |
| Optical density | OD | ≥1.7 | ≥2.6 | ≥2.6 | ≥2.6 | ≥2.6 | ≥2.9 | X-rite | |
| Aluminum layer adhesion | N/15mm | ≥1N | ≥2N | ≥2N | ≥2N | ≥2N | ≥3N | EAA | |
| Peel strength between the PET backside and PE | N/15mm | ≥2.5N | ≥2.5N | / | / | / | / | / | |
| Water vapor permeability | g/m²·24h | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 | ASTMF1249 (38℃, 90% RH) |
|
| Oxygen Permeability | cm²/m²·24h | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 | ASTM D 3985 (23℃, 0% RH) |
|
| Wet tension | Aluminum surface IN |
dyne/cm | ≥52 | ≥52 | 252 | ≥52 | ≥52 | 252 | GB/T 14216 |
| Backside OUT |
dyne/cm | ≥48 | ≥48 | ≥52 | ≥52 | ≥36 | ≥36 | ||
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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