Coated Aluminium foil for Heatseal lid

Signi Coat’s lacquered or coated aluminium foil is used in the production of lids for the food market, providing unique advantages for this sector. The products preserve the freshness and good condition thanks to the properties of lacquered aluminium foil. They are safe for use in contact with foodstuff.

Features:
1.High barrier protection against light, loss of moisture and flavours as well as preventing external contamination.
2.Ideal mechanical properties for embossed surface designs.
3.Excellent sealing properties against all common plastics.
4.Good printability with rotogravure or UV flexo inks, that offers a wide range of decorative possibilites.

With above good features, our coated or lacquered aluminium foil could be used for the fabrication of below:

Lids for desserts packaging.
Lids for jams packaging.
Lids for butter packaging.
Lids for fresh cheese and other dairy products.

Specification:
Alloy: 8011, 8079
Temper: O
Thickness: 0.03mm up to 0.05mm.
Coating properties:
Excellent adhesion to aluminium foil.
Water resistant(30 min at room temperature).
Resistant to heatsealing temperature.(max. 220℃ 1s)
Good printing results using nitrocellulosic inks and UV inks.

Heatsealing lacquers:

Authorized for contact with foodstuff.
Water resistant (30 min at room temperature).
Resistant to boiling water (5 min/100 ℃)
Lacquer porosity( 15 min)<5 pores/m2 (20g CuSO4/50CC HCL (35%)/1000CC. H2O) （The resistance to this test is up to 2 hours with the anticorrosive version of lacquer）.
There are different types depending of materials to which the lid must seal:

Heatsealing lacquer to PS/PVC:
Peel strength to PS> 5.5N/15mm.(180℃, 40kg, 1s)
Peel strength to PVC> 9N/15mm.(180℃, 40kg, 1s)

Heatsealing lacquer to PVC:
Peel strength to PVC> 9N/15mm.(180℃, 40kg, 1s)

Heatsealing lacquer to PP:
Peel strength to PVC> 9N/15mm.(200℃, 40kg, 1s)

Heatsealing lacquer to PE:
Peel strength to PE> 9N/15mm.(200℃, 40kg, 1s)

Heatsealing lacquer to PP/PS/PVC/PET:
Peel strength to PP> 9N/15mm.(200℃, 40kg, 1s)
Peel strength to PVC> 9N/15mm.(180℃, 40kg, 1s)
Peel strength to PS> 9N/15mm.(180℃, 40kg, 1s)
Peel strength to PET> 9N/15mm.(200℃, 40kg, 1s)

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