Aluminium Plain Foil 25 Micron

Aluminium Plain Foil 25 Micron


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.