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Specialty Coatings - Not Your Standard Label Varnish

Varnishing is the process of applying a transparent layer of silicon over a printed area.  It can be applied to the entire surface of a printed item or to highlight a specific area of design, such as a logo.

This blog will explain all the various label varnishes available today.

Gloss Varnish – It provides added gloss to materials and inks and protects printing from routine scuffing.  It has excellent adhesion to both water based and UV curable inks on all types of substrates.  A spot gloss varnish allows you to highlight specific areas of a printed piece and adds shine and depth to specific elements on the page, such as a logo or image.

Matte Varnish – unlike gloss varnish, it is chosen when customers want the inks on the label material to look muted, dull, or soft.  This coating was formulated to have a gloss of less than 5%, while preserving the colors of the inks beneath it. 

Thermal Imprintable Varnish – is an over print varnish designed for excellent receptivity of wax or resin-based thermal transfer ribbons.  It was designed for flexographic applications on paper as well as plastic.  This coating is also used in the tag industry for non-slip issues.  Thermal imprintable varnishes are available in high gloss and matte finishes. 

Soft-Touch Varnish– is a high-viscosity coating that imparts a leather-like, almost rubbery feel with a rich matte appearance.  Soft Touch coating has a finish that will flatten out color and contrast.  It gives surfaces a very special velvety-soft feel.   Soft-Touch varnish is suitable for application to entire surfaces or individual parts.

Braille Varnish – is designed specifically for braille fonts, including those used for pharmaceuticals; when used correctly it meets current standards for dot heights.  This varnish forms a layer on the surface to be felt to the touch and be able to withstand multiple stresses.  It is vital that the braille dots be very robust in order to withstand the rigors products can face in transportation and to ensure they reach the customer in perfect condition.  Braille varnish achieves excellent durability of dots on all types of substrates.

Braille Varnish

Glitter Varnish – Metallic flakes of glitter can be used in combination with matte or gloss UV coatings.  This type of varnish allows designers to create unique specialized effects in a variety of shapes, colors and dimensions.

Pearlescent Varnish – is popular in the creation of luster effects, enabling new and unique color effects for automotive, industrial, cosmetic, pharmaceutical and other applications.  This luster effect is caused by adding miniscule metal flakes to the gloss varnish, producing a pearlescent appearance.

Scent Varnishes – can be applied directly onto labels or packaging as a spot coating and allow companies to incorporate scent directly onto packaging.  Scent coatings are different from scratch-and-sniff, as that technology requires actual scratching to release the scent.  Stock scents and custom scents can be developed for brands to give them a unique scent associated with the product.  Hundreds of different scents are available, including Chocolate, Fresh Cut Wood, Bubble Gum and Suntan Lotion.

With all the varnish choices available today, be sure to work with your label printer to choose the right varnish for your project.

Topics: UV Varnish Ultra Violet Varnish Varnish Protecting Inks

Making Sure Drug Labels Are In Healthy Shape

This blog is for informational purposes only.  All drug labels should follow current FDA regulations.  Label Tech Inc. is not an authority on FDA regulations.  For FDA regulations click here.

A recent poll reveals that 60 percent of people using prescription drugs have made errors in taking medications.  An estimated 100,000 people in the US die every year because of medication errors.  These deaths are preventable and better pharmaceutical labels may be one of the best methods of prevention.  The quality of the labeling is extremely important to the patient's perception of the quality of the product and may have profound implications for his or her safe use of the medication and compliance with the prescribed regimen.  

This blog will examine some of the requirements for drug labels.

The Food and Drug Administration (FDA) is a regulatory agency within the Department of Health and Human Services.  A key responsibility is to regulate the safety and effectiveness of drugs sold in the United States.  The FDA divides that responsibility into two phases: pre-approval (pre-market) and post-approval (post-market).  New drug labels must be submitted in the pre-approval stage of FDA testing.

Drug labeling refers to all of the printed information that accompanies a drug, including the label, the wrapping and the package insert.  The FDA regulation that is required to appear on a drug label depends upon the regulatory classification of the drug.  Prescription (Rx) finished drugs have very different (and much more comprehensive) drug label requirements than active pharmaceutical ingredients (APIs).  Similarly, there are very different requirements for over the counter drug labels than for homeopathic or prescription (Rx) drug labels.

Drug Pills resized 600

The FDA requires that drug labeling be balanced and not misleading.  The label must be scientifically accurate and provide clear instruction to health care practitioners for prescription drugs and to consumers for over the counter drugs.  Labeling regulations require that the statement of ingredients include all ingredients, in descending order of predominance in the drug.  These ingredients must also be identified by their established name.

In evaluating prescription drug labels, the FDA looks at the overall usefulness of the information that accompanies the drug.  The name of the medicine along with any critical warnings must be given top billing.  The label must describe the uses of the medicine along with the conditions under which the medicine should not be used.  The consumer must be given directions for the contraindications, for example, "Talk to your health care professional before taking this medication if any of these apply to you."

Under FDA regulations, the label must describe foods, drugs and activities that the patient should avoid while taking the medication, along with any related precautions.  The drug manufacturer must spell out the symptoms of any adverse reactions to the drug.  The FDA requires the manufacturer to collect this information.  If the patient faces any risk of drug tolerance or dependency while taking the drug, the label must contain a warning.

The label must also contain clear instructions for the correct use of the medication, including dosage and the required procedure in the event of a missed dose.  This description should cover any special instructions, such as taking the medicine with food or water.  In addition, the label should spell out storage instructions and general instructions, such as discussing questions with a health professional, because the label is not intended to be all-inclusive.  The label should warn of the danger of giving the drug to someone other than the patient.

Drug labels also detail another serious safety issue: potentially dangerous side effects that can occur if a drug is taken concurrently with another medication.  These so-called interactions are noted in the highlights section of the label.  Less important and less frequent risks are also listed farther down on the label.

When designing a drug label, be sure to consult the FDA for current drug labeling requirements.

Topics: Drug Labels FDA Approved Labels FDA Approved label printer

Varnish vs. Lamination: Purpose Driven Protection

The purpose of a coating is to protect the printed piece from dirt, smudges, fingerprints, scratching, etc.  Coating also provides scuff resistance.  It can also improve the visual appeal of the piece by providing a glossier and smoother finish.  The right coating can help protect the printed piece or add a creative dimension.  The results will usually look best on coated paper because the hard, nonporous surface of coated paper holds the coating on the top of the paper rather than absorb it. 

Varnishing is the process of applying a transparent layer of silicon over the top of a printed area. 

It is applied to a specific area of design - such as logos in order to highlight it or to the entire surface of a printed item.  The result is a glossy or matte luxurious appearance.

Aqueous Varnish, also known as water-based varnish, is among the most commonly used coatings available today.  Available in gloss or matte finish, this varnish does a good job protecting inks against abrasion and rub resistance.  It also resists yellowing, which is common with unprotected labels that have been in storage for a while.  Because they seal the ink from the air, aqueous varnishes can help prevent metallic inks from tarnishing.  Specially formulated aqueous coatings can be written on with a number two pencil or overprinted using a laser jet printer.  These are generally considered to be one of the most sustainable coating options available today because the formulas are nontoxic in the pressroom, and treated paper can be recycled in standard municipal systems without emitting harmful byproducts.  The cleanup process does not require toxic cleaning detergents, nor does it necessitate high temperatures (e.g. added energy) for drying.

Ultraviolet Varnish offers more protection than aqueous coatings.  UV varnishes are applied in line and then exposed to ultraviolet light to polymerize and harden the coating, with zero emissions.  When UV is used on deep, rich colors, like blues and rich blacks, the result is an almost wet appearance.  This can be highly effective with image-rich projects.  The stunning shine it creates is why it is so popular for certain designs and products.  UV varnishes can either be applied across the entire page or on a spot basis.  The coatings are available in a gloss or matte and have a wide variety of specialty finishes, including glitter, tints and even different scents.  UV coatings should be used in conjunction with UV inks to help reduce the potential for drying and surface problems.

Specialty Varnishes can enhance labels with a variety of different effects.  Soft-Touch is a tactile aqueous coating that is very pleasing to the sense of touch and exhibits an ultra-matte appearance.  The combination of these two effects is visually stunning and brings new dimensions to label appearance.  There are a wide variety of different specialty varnishes available today. Find more here.

Varnish on press

Laminating is the process of applying a film of plastic on the surface of labels. 

When plastic coating is added to any item it becomes tear-proof and waterproof, since the laminating film encapsulates the item completely by bonding it to both sides.

Polypropylene lamination is the most popular and least expensive laminate available today.  It is available in gloss, satin and matte finishes.  Polypropylene provides a softer finish than other laminates, which makes it the best choice for projects that will be prone to scratching.  It's possible to write on polypropylene films using dry erase and other types of markers.  Polypropylene is a good bet when you are looking for increased strength and good protection at a reasonable cost.

Polyester Lamination is the most durable of all laminates, polyester offers the greatest strength and abrasion resistance, at a cost that is usually higher than polypropylene.  Polyester provides a hard coating that is extremely resistant to scuffing and tearing, in gloss, satin or matte finishes.   This lamination is heat resistant and will not become brittle with age because it contains no plasticizers.

Specialty Lamination - Besides clear laminating films, there are a variety of specialty films that can be laminated.  Metallized films in gold and silver as well as other colors are available, and holographic films are now becoming more popular in many patterns.  Most often, these films are then over-printed or even foil stamped once they are applied.  There also are iridescent films that have unique color shifting abilities and are translucent, so they can be applied over printed graphics.

The key in choosing the right coating is to work closely with your printer.  Discuss the effect you're after and the level of protection you need to provide.  Then consider how to best apply your budget to reach those objectives.

Topics: Lamination UV Varnish Ultra Violet Varnish Specialty Lamination label protection Varnish
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