Multilayer Laminated Foil

Specification (Structure)

PET film - Aluminum foil - LDPE

PET film – LDPE –Aluminum Foil –LDPE Paper – LDPE –Aluminum Foil –LDPE (Plain/Printed)

Application

1. Multilayer laminates are suitable to pack hygroscopic and moisture sensitive powder products. 2. Packing of food items as confectionery products

3. Any other use with the consent of manufacturer.

Compliances The product is fully compliant to the tests of FDA, REACH, RoHS and anti-microbiological

Detail Description of the products-

Paper / PET film:

Paper Type

Std. Paper GSM

GSM Tolerance

Surface

Glassine

41.0

± 5%

Suitable for printing & lamination

 

Pet Type

Std. Pet Thickness (mic.)

Pet GSM

Tolerance limit

Surface

Treated (Chemically/Corona

12.0

16.8

± 5%

Suitable for printing & lamination

 

23.0

 

32.2

 

± 5%

LDPE Film

Low density polyethylene film is made in monolayer from 100 % virgin grade raw material with MFI 6 to 8 and through autoclave (low pressure) process without any mix up. It is clear, transparent and treated for perfect lamination.

Tolerance of LDPE Film thickness and Unit Weight g/sq.mtr.

 

LDPE Gauge

Thickness Tolerance (mic.) (±10%)

Unit Weight g/sq.mtr. (±10%)

Lower

STD

Upper

Lower

STD

Upper

75 ( Sandwich Layer)

16.93

18.82

20.70

15.58

17.32

19.05

150 (Sealant Layer)

33.88

37.65

41.41

31.17

34.64

38.10

200 (Sealant Layer)

45.17

50.19

55.20

41.56

46.18

50.79

Foil Rolled from Aluminum Alloy - AA 1235 grade imported foil stock conforming to ICH Q3D Schedule, Rolled with FDA approved consumables and international guidelines on Health and Safety.

Standard Foil Thickness (mm)

Tolerance Limit mm (±8%)

0.009

± 0.00072

0.012

± 0.00096

0.030

± 0.0024

Tolerances of Foil Gauge and Unit Weight:

Foil Thickness mm

Thickness Tolerance (mm) (±8%)

Unit Weight g/sq.mtr. (±8%)

Temper

Pin Holes (Nos./sq.mtr)

Lower Value

Standard Value

Upper Value

Lower Value

Standard Value

Upper Value

 

 

0.009

0.0083

0.009

0.0097

22.49

24.39

26.28

Soft

150

0.012

0.0110

0.012

0.0130

29.81

32.52

35.23

Soft

50

0.030

0.0276

0.030

0.0324

74.79

81.3

87.80

Soft

0

 

Recommended Operating Condition

 

Peeling Strength (Bond strength between PET & Alu.Foil)

150 gms/15 mm (Min.)

Peeling Strength (Bond strength between Alu.Foil & LDPE )

250 gms/15 mm (Min.)

Sealing Strength (Bond Strength between LDPE to LDPE)

550 gms/15 mm (Min.)

Sealing Temperature

160° C

Sealing Pressure

3.0 to 6.0 bar

Dwell Time

1.0 Sec

 

Printing

Printing Surface

On Pet/Paper Side

Design

As per customer’s approved artwork and design.

Colors

Up to 8 Col on Primer side

Length Register

± 0.3 mm

 

Finishing

 

Reel Width

As required within 900 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.

Test Certificate:      The test certificates provided on observed values with standard parameters or mutually agreed format.

► Above-mentioned specifications are for general guideline only and can be changed as part of continuous improvement programmer.

►The final product specification will be made as per customer requirement