Offset printing using different paper grades, which differ from one another in use, weight, quality and other parameters. There are many parameters that determine the characteristics of the paper:. Optical, physical, mechanical, chemical and other customers and designers are primarily interested in settings such as brightness, opacity, density and texture. And options such as mechanical strength, drying shrinkage, porosity, strength of character cover electrified more concerned printers and technologists. Let’s look at some of these options. Paper weight – determines the weight of a sheet of paper in the city with an area of 1 m². In offset printing is most commonly used types of securities with a density of between 60 and 300 g / m².
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