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Strip Pack Foil
RAVIRAJ FOILS LIMITED offers a range of soft Aluminium Foil suitable for strip packing of Pharmaceutical Products such as Tablet, Capsules, etc., with the following general specification. The final product specifications are made as per agreed contract with the customers.
Foil Material
Soft fully annealed aluminium alloy AA 8011 confirming to Aluminium Association specification.
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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+/- 0.0020 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 Confirming to the applicable Government regulations regarding direct contact with medicines and drugs.
Standard Polymer
Gauge Options
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Nominal
GSM
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Tolerance
(+/- 15%) GSM
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150
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34.39
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+/- 5.17
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180
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41.27
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+/- 6.21
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200
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45.85
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+/- 6.90
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Density of LDPE: 0.917 g/cc.
Peel Strength of Lamination: 200 g/15 mm min.
Seal Strength Betweent Top & Bottom Foil: 450 g/15 mm min.
Printing & Lacquer Coating
Printed as per text, layout and shade approved by 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 deg. C for 1 sec. dwell time.
Configuration
Printed and Unprinted Pharma Foils are available in the reel forms. Unprinted pharma foils are also available as Jumbo roll.
Winding Direction
Generally - printed or clear lacquer side is out in the finished reel.
Core
Material Options: (a) Plastic (b) Aluminium (c) Card board.
Core ID: 76 mm +/- 0.5mm.
The length of the core is equal to the width of the web.
Splices: Butt type made with 25mm pressure sensitive tape.
Reel Outer Diameter: 250 +/- 10 mm for slit material 400 +/- 10 mm for Jumbos.
Reel Wander: Within +/- 1 mm.
Reel/Web Width
Plain: 45mm to 900mm with a tolerance of +/- 0.5mm
Printed : 45mm to 600 mm with a tolerance of +/- 0.5 mm
Joints Per Reel: Maximum 2 Average less than 1.
Pin Holes: Nil.
Identifications
Each reel shall be identified with a sticker with Reel number, Specification, Net weight, Gross weight, Operator name & Date of manufacture.
Packing
Pharma foils are packed in cardboard carton.
Relevant markings are provided in each outer package.
Recommended Operating Conditions
Sealing temperature
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130 to 150 deg. C
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Sealing pressure
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2.8 to 5.6 Kg/sq. cm or 40 to 80 lbs/sq. inch
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Dwell time
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0.25 to 0.5 sec.
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Covering Area of 1 Kg Finished Material (Nominal)
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Gauge & Temper of Foil
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Covering area in Sq.mts/Kg with 150
Gauge polyethylene lamination |
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0.025 (soft)
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9.78
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0.03 (soft)
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8.64
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0.04 (soft)
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7.00
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Table Showing Thickness Tolerances of Foil
Foil Gauge
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Thickness (mm)
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GSM
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Min.
(-80%)
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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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0.023
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0.025
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0.027
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62.33
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67.75
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73.17
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0.030 mm
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0.028
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0.030
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0.032
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74.80
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81.30
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87.80
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0.040 mm
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0.037
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0.040
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0.043
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99.73
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108.4
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117.07
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Table Showing Thickness Tolerances of Polyethylene
Poly Gauge
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Thickness (mm)
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GSM
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Min.
(-10%)
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Nominal
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Max.
(+10%)
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Min.
(-10%)
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Nominal
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Max.
(+10%)
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150
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0.0338
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0.0375
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0.0413
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29.22
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34.39
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39.56
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180
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0.0405
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0.045
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0.0495
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35.06
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41.27
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47.48
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200
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0.045
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0.05
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0.055
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38.95
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45.85
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52.75
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Test Certificates
Test certificates giving the actual observed values of different parameters will accompany.
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