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| Lidding Foil |
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
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
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.
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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 |
Configuration |
Lidding foils are available in slit reel form or punched disc ( precut ) form. |
Embossing |
The punched discs are pinhead or Moroco embossed. |
| Core |
Material Options : (a) Aluminium (b) MS (c) Card Board
Core I.D. : Aluminium and MS ; 76 mm +/- 0.5 mm or 152 mm +/- 1mm
Card Board : 76 mm +/- 0.5mm |
| Reel Size |
Reels are delivered with an O.D. of 400 +/- 10 mm maximum or as specified by the customer. |
| Identification |
Each reel is identified with a ticket having reel number, specification, operator number and manufacturing date. |
| Packing |
Packed in cardboard carton. For export, the reels are packed in wooden crate/box. Relevant markings are provided on each outer package. |
| Test Certificates |
Test certificates giving the actual observed values of different parameters will accompany the supplies. |
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