Sign & Digital Graphics

December '14

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90 • December 2014 • S I G N & D I G I T A L G R A P H I C S EXHIBIT & DISPLAY play based on various factors, including regional or industry-specific require- ments. This can be a very attractive fea- ture for retailers looking to save money. Although it may seem like a daunting task, choosing the right media is criti- cal to producing effective P.O.P. displays that meet requirements for image quality and durability. After all, the digital media landscape features a range of assorted weights, textures and finishes that can affect how the final image looks and feel. There are a number of promising P.O.P. applications available today. Here we will examine a few and offer advice on what materials and specifications to use for the creation of high-quality graphics. Roll-Up Displays Although there are various types of media that can be used for these por- table display systems, it is critical that the material is an opaque substrate with a block-out layer in order to prevent show- through that could distort the image. Since they are often wound in floor can- ister hardware on a spool—and unwound for display like a window shade—mate- rials used to construct roll-up displays should also be flexible. Another key factor to consider with roll-up displays is edge curl, which looks unprofessional and diminishes the mes- sage conveyed on the sign. Since vinyl, fabrics and other soft substrates can be prone to edge curl, it is recommended that an opaque film product that lies perfectly flat be used. Common product constructions for roll-ups include 8-mil block-out polyester film, polypropylene or vinyl banner materials with block-out films providing the best lay-flat proper- ties. When it's time to laminate the roll- up display, thin laminates are the best choice. Not only does lamination change the image gloss level of the roll-up dis- play, but it also adds durability. It is rec- ommended that liquid coatings be used, or very thin pressure-sensitive adhesives or hot-melt laminates. Fabric Signs P.O.P. displays constructed with fabric materials are increasing in popularity for two main reasons: fabric is more envi- ronmentally friendly than vinyl materials and fabric features a softer look and feel that lends itself to the décor of the retail environment. For sign makers looking to create fab- ric P.O.P. applications, dye sublimation processes present the best avenue. Rather than direct printing or heat transfer, the sublimation process allows the inks to become part of the fabric—translating into increased durability, as well as the richest color and the softest texture. To achieve the best results, dye sub- limation should be performed on white or light-colored surfaces and surfaces should also be specialty-coated or poly- mer-coated to accept inks. Since subli- mation conditions vary depending on the heat transfer press being used, it is neces- sary to determine optimal temperature, pressure and dwell time conditions based on individual heat presses. Dye sublimation papers used for high quality sublimation transfers are designed to print a wide gamut of vibrant colors, while enhancing the release of ink during the sublimation process. Choose a Backlit displays are becoming increasingly popular for use in retail environments.

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