Technique of printing that uses the four process colors of ink to simulate color photographs or illustrations.
ISO paper size 841 x 1189mm
Resistance to frictional rubbing as distinct from resistance to knocks and impacts. Abrasion tests may be made by means of the finger alone, or with a cloth or a pad with or without a mildly abrasive powder. The pressure, speed and time of rubbing as well as the character of the rubbing agent should be […]