Blister Foil

Blister Foil

RAVIRAJ FOILS LIMITED manufactures a range of hard Aluminium Foil suitable for blister packing of Pharmaceutical Products such as Tablet, Capsules, etc., with the following general specification. The final product specifications are made as per agreed contact with the customers.

STANDARD FOIL GAUGE OPTIONS TOLERANCE ( +/-8% )
0.020 mm +/- 0.0016mm
0.025 mm +/- 0.002 mm
0.030 mm +/- 0.0024 mm

HEAT SEAL COATING

Colorless Vinyl Resin (option for tinted resin available) conforming to the applicable Government regulations regarding direct contact with medicines and drugs. The resin is suitable for heat sealing to PVC/PVDC coated PVC films.

COATING THICKNESS OPTIONS

(a) 4-6 GSM with a tolerance of +/- 0.5 GSM

(b) 6-8 GSM with a tolerance of +/- 0.5 GSM Standard, if not specified, heat sealing coating GSM is 4 with a tolerance of +/- 0.5.

SEAL STRENGTH WITH PVC/PVDC : 8 N/25 mm min.

PRINTING AND 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 Blister Foils are available in the reel forms. Unprinted blister foils are also available as Jumbo roll.

WINDING DIRECTION Generally printed or clear lacquer side is out with heat Seal coating inside.
CORE 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.
SPLICES: Butt type made with 25 mm 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 800 mm with a tolerance of +/- 0.5 mm.
Printed: 45mm to 600 mm with a tolerance of +/- 0.5 mm
JOINTS PER REEL Maximum 2. Average less than 1.
PIN HOLES 0.025 and 0.03 mm foils are free from pin holes.
In 0.02 mm foil, 40% of foil is free from pin holes, rest less than 10 PSM
IDENTIFICATION Each reel shall be identified with a sticker pasted inside the core with Reel numbers.
Specification, Net weight, Operator number & Date manufacture.
PACKING Blister foils are packed in cardboard carton. Relevant Markings are provided On each outer package.
RECOMMENDED OPERATING CONDITIONS Sealing temperature :170 to 180 deg. C
Sealing pressure : 2.8 to 5.6 kg/Sq. cm, 40 to 80 lbs/Sq. inch
Dwell time : 0.25 to 0.5 sec.
COVERING AREA OF 1 Kg FINISHED MATERIAL (NOMINAL ) Gauge & Temper Foil
0.02 (hard)
0.025 (hard)
0.03 (hard)
Covering area in Sq. M/Kg with 4 GSM
nominal Heat Sealing Coating
17.18
13.94
11.72
TABLE SHOWING THICKNESS TOLERANCES OF FOIL:
Foil Gauge Thickness ( mm ) GSM
Min.
(-8%)
Nominal Max.
(+8%)
Min.
(-8%)
Nominal Max.
(+8%)
0.020 mm 0.018 0.020 0.022 49.9 54.2 58.5
0.025 mm 0.023 0.025 0.027 62.33 67.75 73.17
0.030 mm 0.028 0.030 0.032 74.80 81.30 87.80
TEST CERTIFICATES Test certificates giving the actual observed values of different parameters will accompany the supplies.