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Useful Advices - Choosing the Proper Coating For Your Packaging
Choosing the proper coating is an essential step in designing and producing quality packaging. Why are coatings important? For some of the same reasons that packaging is important. While packaging protects and enhances
According to USFDA, a combination product is one composed of any combination of a drug and device; biological product and device; drug and biological product
the beauty of what’s inside, coatings help protect and enhance the appearance of the package itself. Because coatings are dually decorative and protective, they are an economical way to extend both the appearance and
; or drug, device, and biological product and fixed dose combination would include two or more combinations of drug.
Examples of combination products may in
Examples of combination products may in
he lifespan of the package.
One of the goals of packaging is to catch the consumer’s eye, encouraging them to examine and explore the package and its contents. A quality coating further increases shelf appeal by impar
One of the goals of packaging is to catch the consumer’s eye, encouraging them to examine and explore the package and its contents. A quality coating further increases shelf appeal by impar
lude drug-coated devices, drugs packaged with delivery devices in medical kits, and drugs and devices packaged separately but intended to be used together.
ing additional tactile elements and adding snap to printed graphics. The most common types of coatings used today are UV and aqueous. Both are available in a range of finishes from matte through satin to gloss, expandi
here is enormous increase in the number of combination products entering the market in the recent years. Combination products have proven advantages but fixe
g design flexibility beyond the choice of inks.
A coating also protects the package from the rigors of assembly, fulfillment, shipping and distribution, safeguarding it from fingerprints, abrasion and scuffing. UV and
A coating also protects the package from the rigors of assembly, fulfillment, shipping and distribution, safeguarding it from fingerprints, abrasion and scuffing. UV and
d dose combinations are still in the process of convincing regulatory authority on their advantages over the single ingredient formulations.
Combination pro
Combination pro
aqueous coatings both demonstrate excellent abrasion and block resistance; in some cases, effectively eliminating the need for shrinkwrap or other protective layers.
Which is the best coating for a job? That depends
Which is the best coating for a job? That depends
ucts have become life saving products for the pharmaceutical companies who doesn’t have many innovative molecules in their product pipeline and have been inc
s much on the job as it does on the coating. Expectations of performance, appearance, quality and cost are variables to weigh when making a decision. Other factors to consider include operator experience, job latitude
easingly used in the product life cycle management. Even the companies having product patents are trying to extend their product life cycle through the combi
tolerance), storage conditions and performance requirements. We’ll begin with a comparison of UV and aqueous coatings, and then discuss the most appropriate applications of each.
Aqueous coatings are approximately 60%
Aqueous coatings are approximately 60%
nation products and maximize the revenues. But the companies involved in this practice are overlooking that they are burdening the patients both economically
water and 40% solids. During the drying process, the liquids evaporate or are absorbed by the substrate, leaving the solids to form a thin film. Aqueous coatings are clear and odorless when dried, and are also availabl
and physically. They need to rightly judge the benefits of the combination products and they have to even look at the risks involved when combining the produ
e in FDA-approved formulations for use in food packaging.
UV coatings are 100% solids, and finish by light-curing rather than heat-drying. The solids cross link to form a durable plastic film that provides unparallele
UV coatings are 100% solids, and finish by light-curing rather than heat-drying. The solids cross link to form a durable plastic film that provides unparallele
ts. Some of the combination products were well accepted by physicians while others suffered. Companies involved in development of combination products are fi
gloss and hardness. UV offers a broader range of finishes than aqueous, including options such as metallized flakes or pearlized pigments. Although UV coating can be applied either in-line or off-line, in-line UV coat
ding difficulty in defining their combination products and facing various challenges from selecting a combination to marketing it.
Following aspects would a
Following aspects would a
ng offers comparable finish quality plus the advantages of increased speed and reduced cost compared to the off-line UV coating process.
Both UV and aqueous coatings offer the convenience of in-line application and ra
Both UV and aqueous coatings offer the convenience of in-line application and ra
dd to the challenges in developing combination products:
Which markets to tap where the combination products can do fairly well?
Which combination prod
Which markets to tap where the combination products can do fairly well?
Which combination prod
id drying, allowing for instant work and turn. In fact, either type of coating can be used with little or no spray powder, improving smoothness and creating a cleaner work environment. In addition, both coatings can be
cts are meaningful and rational?
Which therapeutic categories to select?
Which Combinations can address unmet needs of the patients?
Do combin
Which therapeutic categories to select?
Which Combinations can address unmet needs of the patients?
Do combin
applied as an overall or “flood coating”, or as a spot covering to highlight a particular image or area.
Aqueous coatings generally cost less up front, but the quality advantages and productivity gains of a UV coatin
Aqueous coatings generally cost less up front, but the quality advantages and productivity gains of a UV coatin
tions increase the patient compliance?
What would be the developing cost?
How to tackle the risks encountered during combination product developmen
What would be the developing cost?
How to tackle the risks encountered during combination product developmen
usually outweigh the higher unit costs. When comparing costs it’s helpful to think of UV as conferring all of the benefits of aqueous coating, but to a greater degree. For example:
Aqueous dries fast — UV
t?
As combination products don't fit into the traditional categories of drugs, medical devices, or biological products, the USFDA is in the process of devel
As combination products don't fit into the traditional categories of drugs, medical devices, or biological products, the USFDA is in the process of devel
ries faster
Aqueous can be glossy — UV is glossier
Aqueous provides protection — UV provides more protection
UV coatings are particularly well suited for:
Applications requiring the ulti
UV coatings are particularly well suited for:
ping new procedures for reviewing their safety, efficacy and quality.
Professional from academic institutions, pharmaceutical industries, health care indust
Professional from academic institutions, pharmaceutical industries, health care indust
ate in gloss
Applications requiring the ultimate in hardness
Non-absorbent print surfaces (e.g. plastic, Tyvek ®, etc.)
POS displays
Spot coating
Appropriate applicatio
Appropriate applicatio
y and representatives from various regulatory agencies are working out to design the regulatory requirements for manufacture and sale of combination products
ns for aqueous coatings include:
Food packaging (for direct food contact)
In-line heat seal blister packaging
Primer / seal coating (to enhance gluing or subsequent UV varnish over c
.
As there is an increasing trend of the combination products companies manufacturing such products should be able to tackle the problems involved in the de
As there is an increasing trend of the combination products companies manufacturing such products should be able to tackle the problems involved in the de
nventional inks)
Items that will be written on (e.g. mailers, postcards, etc.)
When you choose a coating you make an investment in the lifespan and performance of the package, and ultimately of the pro
When you choose a coating you make an investment in the lifespan and performance of the package, and ultimately of the pro
elopment. They need to be wiser in analyzing the market trends and the regulatory requirements.
Companies that provide selfless information through particip
Companies that provide selfless information through particip
uct inside. The more closely the package will interact with consumers or end users, the stronger the case for incorporating the coating into the overall design.
Copyright ©2005 by Dennis Bacchetta. All rights reserved
Copyright ©2005 by Dennis Bacchetta. All rights reserved
tion in industry events and feedback to regulatory authorities would be able to face the challenges and will be successful in developing combination products
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