Listing ID #3794930
Company Information
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Contact SupplierProduct: - Blister Lidding Foil Specification
1.     Hard Aluminium Foil one side under coat with primer for printing and other side coated with Heat Seal lacquer (HSL)
2.      Hard Aluminium Foil one side printed to design and other side coated with Heat Seal lacquer Application
1.     The heat seal lacquer coated foil suitable in the application of Lidding foil for thermoform blister (PVC/PVDC) and cold form blister (CFB).
2.     As Lidding foil in Unit Food Packaging and confectionary
3.     Any other application with the consent of manufacturer.
Structure   1. Primer/Alu. Foil / Heat Seal Lacquer - Plain
2. Printing/primer/ Alu. Foil/ Heat Seal lacquer - Printed
Compliances
The product is fully compliant to the tests of FDA, REACH , RoHS and anti-microbiological
Detail Description of the product
Foil Rolled from Aluminum Alloy - AA 8011/1200 grade imported foil stock conforming to ICH Q3D Schedule, Rolled with FDA approved consumables and international guidelines on Health and Safety.
Test Certificate      Â
The test certificates provided on observed values with standard parameters or mutually agreed parameters.
► Above-mentioned specifications are for general guideline only and can be changed as part of continuous improvement programme.
â–º The final product specification will be made as per customer requirement
Tolerances of Foil Gauge and Unit Weight:
Foil Gaugemm |
Thickness mm (±8%) |
Unit Weight g/sq.mtr. (±8%) |
||||
Lower Value |
Standard Value |
Upper Value |
Lower Value |
Standard Value |
Upper Value |
|
0.020 |
0.0184 |
0.020 |
0.0216 |
49.90 |
54.20 |
58.50 |
0.025 |
0.0230 |
0.025 |
0.0270 |
62.33 |
67.75 |
73.17 |
0.030 |
0.0276 |
0.030 |
0.0324 |
74.80 |
81.30 |
87.80 |
Properties
Mechanical & Surface |
Pin Holes |
||
Surface |
Matt & Bright |
Gauge |
Nos / Sqmtr* Max |
Temper |
Hard H18 |
0.020mm |
10 |
Wet ability |
32 dynes (minimum) |
0.025mm |
05 |
UTS |
150 – 160 MPa |
0.030mm |
NIL |
Elongation |
1.5 % Max |
· Pin Holes between 20 to 50 micron measured under 1500 Lux of light |
Heat Seal Lacquer
Color less Polymer of Vinyl Chloride, Vinyl acetate and Di-carbonic Acid liquefied with solvent and applied in an appropriate way to achieve no retained solvent. The Heat Seal Lacquer is suitable for sealing with PVC/PVDC
Standard Coating Grammage |
Variation Limit |
4 – 6 gsm |
± 0.5 gsm |
5 - 7 gsm |
± 0.5 gsm |
6 – 8 gsm |
± 0.5 gsm |
Combined Weight and Yield ( Sq meter per Kg of coated foil)
Thicknessmm |
Combined Unit Weight (Alu Foil + HSL) - Grams / Sqmtr of coated foil |
Yield - Range |
|||||
|
4 -6 gsm HSL |
5 – 7 gsm HSL |
6 - 8 gsm HSL |
Square metres/ Kg of coated foil |
|||
|
Min. |
Max. |
Min. |
Max. |
Min. |
Max. |
|
0.020 |
53.9 |
64.5 |
54.9 |
65.5 |
55.9 |
66.5 |
17.2 to 16.1 |
0.025 |
66.3 |
79.17 |
67.3 |
80.17 |
68.3 |
81.17 |
13.9 to 13.2 |
0.030 |
78.8 |
93.8 |
79.8 |
94.8 |
80.8 |
95.8 |
11.7 to 11.2 |
Recommended Parameters:
Sealing strength (Foil + Foil) |
450 gms/15 mm (Min.) |
Sealing Strength (Foil + PVC/PVDC) |
650 gms/15 mm (Min.) |
Sealing Temperature |
200° C |
Sealing Pressure |
3.0 to 6.0 bar |
Dwell Time |
0.5 Sec |
Primer
A thin layer of de-waxed shellac or nitrocellulose is applied to de-grease the foil and promote adhesion with printing ink.
Printing
Printing Surface |
On Primer side and HSL side |
Design |
As per customer’s approved artwork and design. |
Colors |
Up to 8 Col on Primer side & 4 color on HSL side |
Length Register |
± 0.3 mm |
Ink Adhesion and Stability |
No peel off or breakage by scotch pull test or under sealing condition. |
Finishing
Reel Width |
As required or within 960 mm |
Reel wandering |
± 0.5 mm edge wandering |
Width Tolerance |
±1mm |
Outside Diameter |
Slit Reel – 350 & Jumbo 400 mm |
Core & Inside Diameter |
Cardboard, Aluminium and PVC 76 mm ID suitable for shafts and pneumatic mandrel |
Joints |
With red / brown colored BOPP tape with flap (max 2 per reel.) |
Packing and Labeling
Mode of Packing |
Sea worthy packing |
Labeling |
Each Reel / Jumbo Roll is identified with a sticker, which is pasted inside the core and has got following information: - Specification/ Gauge/ Width/ Lot No./ Operator No./ Date/ Set No./ Machine name/ No. of Joints. |