Friday 23 March 2012

Wiki Explains Litho Printing


Lithography uses simple chemical processes to create an image. For instance, the positive part of an image is a water-repelling ("hydrophobic") substance, while the negative image would be water-retaining ("hydrophilic"). Thus, when the plate is introduced to a compatible printing ink and water mixture, the ink will adhere to the positive image and the water will clean the negative image. This allows a flat print plate to be used, enabling much longer and more detailed print runs than the older physical methods of printing (e.g., intaglio printing, letterpress printing). Lithography was invented by Alois Senefelder in Bohemia in 1796. In the early days of lithogra. To read more click on the following link.

Its Friday Yay!

What’s everyone up to this weekend? Hopefully the weather will hold out! Thought I would post a light hearted video to get everyone in the mood for the weekend!