pharmaceutical shrink packaging (foil, plastic pouches, bottle seals, tape seals, breakable seals, sealed tubes)
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Shrink packaging
Shrink packaging indicates the process in which sheets of transparent plastic film are wrapped around a product to form a solid, weather-resistant packaging layer.
Shrink packaging customarily refers to plastic films which have been pre-heated, stretched and cooled prior to use. This causes their initially randomly scattered molecules to align themselves in rigid structures, creating flat sheets of plastic film.
Shrink-wrap
When the shrink packaging films are applied to the product and re-heated, the molecules revert to their previous non-aligned state. This causes the plastic film to shrink and wrap itself tightly around the form and shape of the product (therefore the name ‘shrink-wrap’).
Stretch-wrap
When shrink packaging is simply stretched and wrapped around the product without being re-heated, it is known as ‘stretch-wrap’.
Benefits of shrink-packaging
Shrink packaging offers a versatile, cost-effective packaging solution for several reasons.
First, the materials used (plastic derivatives) are strong yet flexible, and provide effective protection, as well as making the product tamper-proof.
Second, shrink packaging is transparent, making it suitable for retail and wholesale display, and ideal for general marketing purposes due to its clear surface.
Third, shrink packaging is a relatively inexpensive option and ideal for low-cost packaging solutions.
1. Shrink packaging; foil, plastic pouches,
bottle seals, tape seals, breakable seals
and sealed tubes
Presented by : Akshay G. Trivedi
Guided by : Dr. Pintu Prajapati
Enrollment No : 201804103910007
Department of Pharmaceutical Quality Assurance
Maliba Pharmacy College
Uka Tarsadia University
3. Shrink packaging
• Shrink packaging indicates the process in which sheets of transparent
plastic films are wrapped around a product to form a solid, weather –
resistant packaging layer.
• The shrink band concept makes use of the heat-shrinking characteristics of
a stretch oriented polymer, usually PVC.
4. • The heat-shrinkable polymer is manufactured as an extruded, oriented tube
in a diameter slightly larger than the cap and neck ring of the bottle to be
sealed.The heat-shrinkable material is supplied to the bottle as a printed,
collapsed tube, either precut to specified length or in roll form for an
automated operation.
• The proper length of PVC tubing is slid over the capped bottle far enough to
engage both the cap and neck ring of the bottle.The bottle is then moved
through a heat tunnel, which shrinks the tubing tightly around the cap and
bottle, preventing the disengagement of cap without destroying the shrink
band.
6. Benefits of shrink packaging
• Shrink packaging offers a versatile, cost-effective packaging solution for
several reasons.
• First, the materials used (plastic derivatives) are strong yet flexible, and
provide effective protection, as well as making the product temper-proof.
• Second shrink packaging is transparent, making it suitable for retail and
wholesale display.
• Third, shrink packaging is a relatively inexpensive option.
7. Foil
• The most commonly used shrink packaging is polyolefin.
• It is available in a variety of thicknesses, clarities, strengths and shrink
ratios.
• Other shrink films include PVC, polyethylene, polypropylene, and several
other compositions.
10. Use
• Food & beverage industry
• Automobile industry
• Pharmaceutical industry
• Chemical industry
11. Plastic pouches
• A plastic pouch is a type of container made of thin, flexible, plastic film.
• Plastic poches are used for containing and transporting goods such as foods,
produce, chemicals, and waste.
• Pouches can be made with a variety of plastics films, polyethylene is the
most common.Others forms, including laminates and co-extrusions can be
used when the physical properties are needed.
15. Bottle seals
• A bottle may be made tamper resistant by bonding and inner seal to the rim
of the bottle in such a way that the product can only be attained by
destroying the seal.
• For pressure sensitive inner seals pressure sensitive adhesive is coated on
the surface of the inner seal as an encapsulated adhesive.
17. Tape seals
• It involves the application of glued or pressure sensitive tape or label around
or over the closure of the package which is to be destroyed to obtain the
product.
• Labels made of self destructing papers are available.
• But these cannot survive any attempt at removal once they have been
applied.
19. Breakable seals
• Breakable closures come in many different designs.
• The roll-on cap design of aluminum shell used for carbonated beverages.
• The bottom portion of the cap is rolled around the bottle neck finish.
• The lower portion of the cap blank is usually perforated so that it breaks
away when the cap is unscrewed.
21. Sealed tubes
• Collapsible tubes used for packaging are constructed of metal, plastic or
lamination of foil, paper and plastic.
• Metal tubes are still used for products that required high degree of barrier
protection.
• Most of these are made of aluminum.
• Extruded plastic tubes are widely used for products that are compactable
and limited protection of plastic.
23. • D.A.Dean, E.R.Evans, Pharmaceutical PackagingTechnology,Taylor and
Francis
• E.J.Bauer, Pharmaceutical packaging Handbook, Informa Healthcare
• www.indiamart.com
Editor's Notes
Temper proof – made so that it cannot be interfered with or changed.
Polyolefin – it is made from the olefin propylene.
Beverage – a drink other than water.
Self destructing - destroy itself by exploding or disintegrating automatically