RAVIRAJ FOILS LIMITED manufactures a range of LIDDING FOIL suitable for sealing to PS (Polystyrene), PVC (Polyvinyl Chloride), PP (Polypropylene) PET (Polyethyleneterphthalate) , PE (Polyethylene) and HDPE (High Density Polyethylene) jars/cups/tubs substrates with the following general specification.

The final product specifications are made as per agreed contract with the customers.

• FOIL MATERIAL :
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  Soft, fully annealed Aluminium alloy AA-8011 conforming to Aluminium Association specification. The foil can have both side 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 :
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  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 Material	Sealant Layer	Coating GSM/Film Thickness
  PS	Lacquer	6-8 +/- 1GSM
  PVC	Lacquer	6-8 +/- 1GSM
  PP	Lacquer	6.8 +/- 1GSM
  PET	Lacquer	6-8 +/- 1GSM
  PE	Film	125-150 +/- 15% Gauge
  HDPE	Film	125-150 +/- 15% Gauge