Wednesday 3 June 2015

Lidding Foils

Aluminium foil for yoghurt and marmalade lids


Aluminium foil thickness: from 20 microns to 45 microns
Coating: one side with primer suitable for printing and/or other side with thermosealing lacquer.Width, inner core diameter and outside diameter: according to customer's requirements.


Std Foil Gauge OptionsTolerance ( +/-8% )
0.03 mm+/-0.0024 mm
0.038 mm+/-0.00304 mm
0.04 mm+/-0.0032 mm


Sealant & Coating : Different type 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 type of sealant are:
Tub MaterialSealant LayerCoating GSM/Film Thickness
PSLacquer6-8 +/- 1GSM
PVCLacquer6-8 +/- 1GSM
PPLacquer6.8 +/- 1GSM
PETLacquer6-8 +/- 1GSM
PEFilm125-150 +/- 15% Gauge
HDPEFilm125-150 +/- 15% Gauge
ConfigurationLidding foils are available in slit reel form or punched disc ( precut ) form.
EmbossingThe punched discs are pinhead or Moroco embossed.
CoreMaterial 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 SizeReels are delivered with an O.D. of 400 +/- 10 mm maximum or as specified by the customer.
IdentificationEach reel is identified with a ticket having reel number, specification, operator number and manufacturing date.
PackingPacked in cardboard carton. For export, the reels are packed in wooden crate/box. Relevant markings are provided on each outer package.
Test CertificatesTest certificates giving the actual observed values of different parameters will accompany the supplies.

  • Foil Material : Fully Soft (0 temper) aluminum of alloy grade AA-8011 conforming to Aluminum Association, USA, and specification
  • Foil thickness options: : As specified in purchase order. • 0.037 +/- 0.0024 mm (Foil gsm = 100.3 +/- 6.02) • 0.040 +/- 0.0032 mm (Foil gsm =108.40 +/- 6.67) Test procedure : By weighment with 10 cm x 10 cm sample
  • Foil Surface options: : As specified in purchase order. • One side bright & other side matt • Both sides bright
  • Polymer Coating options : : As specified in purchase order. Colorless polyethylene / Resin Coating for sealing purpose, conforming to the applicable Government


    Regulations regarding direct contact with medicines and drugs. Standard Polymer / Nominal Tolerance HSS option (gsm) • 150 Gauge 34.5 +/- 3.45 *Spot reading of +/-15% may be present. • Heat Seal 5 +/-1 Test procedure: By wei
  • Printing & Lacquer Coating: : Printing as per Text, Layout and shade approval by the customer. Printing inks and lacquer coating are capable to withstand at a temperature of 160 deg c for 1 sec dwell time.
  • Winding Direction: : Printed or clear lacquer side is out in the finished reel unless otherwise specified in purchase order.
  • Core: : As specified in purchase order: Material: Plastic, Aluminum or Cardboard. ID - 70/76mm with a tolerance of +/- 1 mm.
  • Splices: : Butt type with 25 mm pressure sensitive adhesive tape. Avg. number of joints < 2 per reel.
  • Reel O.D.: : 80% of the reels in a consignment will have OD 250 +/- 10mm and rest may have smaller OD.
  • Reel Wander: : Within +/- 1mm.
  • Roll width: : As specified +/- 1.0 mm
  • Identification: : Each reel is identified with a ticket having Reel No., Specification, and Mfg. date.
  • Packing: : Pharma foil reels are packed in cardboard carton. Reels are wrapped with LDPE film and packed with corners and foam side protectors. Jumbo reels are packed in wooden box in suspended condition with necessary poly film wrapping, corners and foam side protectors.
  • Marking: : Order No., Batch No., Gross & Net Wt. and any other details as agreed mutually with customer




Lidding Foil is appropriate for sealing to PVC (Polyvinyl Chloride), PP (Polypropylene), PET (Polyethyleneterphthalate), PE (Polyethylene), HDPE (High Density Polyethylene), PS (Polystyrene). Our Aluminium Lidding Foil is made in accordance with the mentioned specifications of the client. We make sure that Aluminium Lidding Foil, provided by us, is made with soft and fully annealed Aluminium alloy AA-8011 that conforms to Aluminium Association specification.
Specifications
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