Aluminium Plain Foil 20 Micron
- Specification
Hard temper aluminum foil, dull side with primer for printing, shiny side with heat seal lacquer seal able to PVC and PVDC. The lidding foil can be provided with printing.
- Structure (from top to sealing layer)
| Material | Weight | Thickness | ||||
| Unit | Value | Tolerance | Unit | Value | Tolerance | |
| Primer | g / m² | 0.3 | ±0.1* | µm | 0.3 | ±0.1* |
| Al Foil | g / m² | 54.0 | ±4.3 | µm | 20.0 | ±1.6 |
| Heat Seal Lacquer | g / m² | 7.0 | ±0.7* | µm | 5.6 | ±0.5* |
| Total | g / m² | 61.3 | ±6.1** | µm | 25.9 | ±2.5** |
| Yield | m²/ kg | 16.3 | ±1.6** | |||
- Tolerances within 2s limit ** under consideration of the 2s limit
- Aluminium Compound
| Alloy | 801,8111 |
| Hardness | H18 |
| Pin Holes | Technically free of pinholes. |
- Data of Individual Components
| Outer Side | ||
| LA 200 | Primer | Shellac based |
| Inner Side | ||
| LA 400 | Heat seal Lacquer | Co-polymerisate of vinyloride and acrylate and polyacryletes |
- WVYR and Oxygen transmission
Tested the lidding foil regarding:
ASTM F 1249- 90 for water vapor (25° C; 60 % r.h) < 0.010g /sqm x d = limit of method.
ASTM D 3985- 81 for oxygen (25° C; 100 % r.h) < 0.005 cc /sqm x d x bar = limit of method.
- Storage Conditions
12 months at: temperature 15°C – 35°C; relative humidity 30-70% Rh.
To be stored in the original packaging in a dry place, protected from sunlight and rods.
Clearance Certificate:
The product from this specification to be used for pharmaceutical packaging and only for the appropriate side of the packaging material which comes into contact with the packed products.
