You can position your company for profitability by serving the growing market for in-school advertising. When George Mason High School needed funds to install lights in its new football stadium, it looked for advertisers to foot the bill. Read more »
Comparing Heat Transfer Films with Screen Printed Graphics
A high quality polyurethane heat transfer film will outlast a screen printed garment hands down. In fact, if you properly process and care for a polyurethane heat transfer, the applique should last the life of the garment. We all know what happens to a screen printed shirt after a dozen washes. Plastisol inks crack. By […] Read more »
Stripping Vinyl Graphics Made Easy
Stripping vinyl graphics may never become a sign makers’ dream, but it does not have to be a nightmare, either. Ask most sign makers about stripping vinyl graphics and they’ll cringe. Let’s face it. Stripping vinyl is not the most glamorous of tasks. “Stripping vinyl is the ugly side of our work,” said Frank Barbaria, […] Read more »
Cleaning Vinyl Graphics
Sign makers should assume that many of their customers will do some pretty stupid things when cleaning graphics. For this reason they must provide the end user with instruction covering proper cleaning and care of any graphics. When I sold fleet graphics, many years ago, I would give my customers an instruction sheet which included the do’s and don’ts listed […] Read more »
What Causes Ink Adhesion Problems?
The $64 question is: what causes ink adhesion problems when screen printing polycarbonate film? While some have suggested moisture absorption as the culprit, the most likely candidate is exposure to UV light and oxygen. As the polycarbonate absorbs UV light, it excites the photons of the atoms, which in turn creates free radicals. Free radicals […] Read more »
Screen Printing on Polycarbonate
Painting is not the only solution for decorating plastic signfaces. For high-volume jobs, screen printing is an economical solution. In selecting an ink system, ask your screen print supply distributor for a recommendation. The technical bulletin will give you printing recommendations. The type of mesh, squeegee, stencil and thinners are a few of the variables […] Read more »
Painting Polycarbonate Sheet
The extraordinary clarity of polycarbonate makes it an excellent substrate for backlit signs. Generally, but not always, the sheet is sprayed on its second surface. Because the paint faces the inside of the sign cabinet, it is protected from the elements. Any painting done on the first surface of the sign face must be clear […] Read more »
Vinyl Application to Polycarbonate Sheet
Even if polycarbonate sheet was covered with a surface protection film, you should always consider the surface contaminated. That means that you must clean the sign face before applying the graphics. Before you prep the substrate with a solvent or detergent, carefully read the manufacturer’s instructions. For most plastic-sheet applications, the most reliable cleaning method […] Read more »
Hygroscopic Plastics
Outgassing: Problems Arising Out Of Thin Air Some plastics can absorb moisture from the air. These materials fall into the category called “hygroscopic plastics”. The best known product in this group is polycarbonate. It’s not, however, the only hygroscopic plastic. Nylon and polyester can also absorb water vapor. Read more »
Mottling and what to do about it
Have you ever occasionally noticed a dull, hazy or blotchy appearance on the surface of some vinyl films or overlaminates? This is a condition called mottling. There’s no reason to get too excited. While this hazy appearance certainly detracts from the aesthetic appeal of your graphics, mottling can easily be remedied, which I will explain […] Read more »
