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Aluminium Foil Flexible (Strip Pack Foil)
Metal Industries Manufactures a range of soft Aluminium Foils suitable for strip packaging of Pharmaceutical products such as Tablet, Capsules, etc. With the following general specifications. The final product specifications are made as per agreed contract with the customers.
Foil Material
Soft fully annealed aluminium alloy AA 8011 / AA 1200 conforming to Aluminium Association specification.
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Std Foil Gauge Options
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Tolerance ( +/-8% )
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Min. Bursting Strength
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0.025 mm
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+/- 0.002 mm
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1.5 kg/sq. cm
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0.030 mm
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+/- 0.0024 mm
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1.9 kg/sq. cm
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0.040 mm
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+/- 0.0032 mm
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2.5 kg/sq. cm
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Sealant:
Colourless LDPE conforming to the applicable Government regulations regarding direct contact with medicines and drugs.
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Standard Polymer Gauge
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Nominal
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Tolerances ( +/- 15% )
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Options
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GSM
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GSM
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150
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34.39
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+/- 5.16
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180
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41.27
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+/- 6.19
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200
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45.85
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+/- 6.88
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DENSITY OF LDPE
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0.917 g/cc
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PEEL STRENGTH OF
LAMINATION
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200 g/15 mm min.
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SEAL STRENGTH BET. TOP & BOTTOM FOIL
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450 g/15 mm min.
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PRINTING AND LACQUER
COATING
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Printed as per text, layout and approved by the Customer. For non-printed specification, clear Lacquer to be coated as a protective coating and good printability. Printing inks and lacquer coatings are capable to withstand 180 oC for 1 sec. dwell time.
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CONFIGURATION
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Printed and Unprinted Pharma Foils are available in the reel forms. Unprinted pharma foils are also available as Jumbo roll.
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WINDING DIRECTION
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Generally, printed or clear lacquer side is out in the finished reel.
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CORE
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Material options (a) Plastic (b) Aluminium (c) Card Board
CORE ID: 76 mm +/- 0.5 mm. The length of the core is equal to the width of the web.
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SPLICES
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Butt type made with 25 mm pressure sensitive tape.
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REEL OUTER DIAMETER
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250 +/- 10 mm for slit material. 400 +/- 10 for Jumbos.
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REEL WANDER
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Within +/- 1 mm
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REEL/WEB WIDTH
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Plain : 45 mm to 800 mm with a tolerance of +/- 0.5 mm.
Printed: 45 mm to 600 mm with a tolerance of +/- 0.5 mm.
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JOINTS PER REEL
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Maximum 2. Average less than 1.
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PIN HOLES
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Nil.
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IDENTIFICATION
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Each reel shall be identified with a sticker with Reel number, Specification, Net weight, Gross weight, Operator name & Date manufacture.
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PACKING
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Pharma foils are packed in cardboard carton. Relevant makings are provided on each outer Package.
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RECOMMENDED OPERATING
CONDITIONS
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Sealing temperature
Sealing pressure
Dwell time
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130 to 150 oC
2.8 to 5.6 kg/sq. cm or 40 to 80 lbs/sq.
inch
0.25 to 0.5 sec.
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COVERING AREA OF 1 Kg FINISHED MATERIAL (NOMINAL)
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Gauge & Temper Foil
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Covering area in sq. mts/kg with 150 Gauge Polyethylene lamination
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0.025 (soft)
0.03 (soft)
0.04 (soft)
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9.78
8.64
7.00
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TABLE SHOWING THICKNESS TOLERANCES OF FOIL
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Foil Gauge
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Thickness (mm)
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GSM
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Min.
(-8%)
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Nominal
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Max.
(+8%)
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Min.
(-8%)
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Nominal
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Max.
(+8%)
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0.025 mm
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0.02
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0.03
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0.03
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62.33
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67.75
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73.17
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0.03 mm
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0.03
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0.03
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0.03
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74.8
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81.3
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87.8
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0.04 mm
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0.04
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0.04
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0.04
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99.73
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108.4
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117.07
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THICKNESS TOLERANCE OF POLYETHYLENE
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Poly Gauge
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Thickness ( mm )
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GSM
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Min.
(-15%)
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Nominal
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Max.
(+15%)
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Min.
(-15%)
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Nominal
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Max.
(+15%)
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150
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0.03
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0.04
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0.04
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29.23
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34.39
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39.55
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180
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0.04
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0.05
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0.05
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35.08
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41.27
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47.46
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200
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0.04
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0.05
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0.06
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38.97
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45.85
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52.73
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TEST CERTIFICATES
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Test certificates giving the actual observed values of different parameters will accompany the supplies.
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