Lidding Foil :


30/38/40-micron thick, soft foil coated with heat seal lacquer (HSL), compatible with PS and PP containers. Used for cheese spreads, yoghurts and mineral water.


FOIL MATERIAL :
Soft, fully annealed Aluminium alloy AA-8011 conforming to Aluminium Association specification. The foil can have both sides surfaces bright or one side bright and the other side matt as desired by the customer.

Std Foil Gauge Options Tolerance (± 8% )
0.03 mm± 0.0024 mm
0.038 mm ± 0.00304 mm
0.04 mm ± 0.0032 mm

SEALANT AND COATING :
Different tub materials ask for different sealant film or lacquer for compatibility. One side of the foil is either coated with a heat seal lacquer or laminated with suitable polymer films. 
The types of sealant are :

Tub Materia Sealant Layer Coating GSM/Film Thickness
PSLacquer 6 to 8 GSM ( ± 1GSM )
PVCLacquer 6 to 8 GSM ( ± 1GSM )
PPLacquer 6 to 8 GSM ( ± 1GSM )
PETLacquer 6 to 8 GSM ( ± 1GSM )
PEFilm125 to 150 Gauge ( ± 15% )
HDPEFilm125 to 150 Gauge ( ± 15% )

Sample Images: