Cast Coater - OpTest

Cast coating is a method for making high-gloss (80 to 90%) paper. The processing steps are as follows: a raw paper sheet is coated with paint or ink, and the wet coat is pressed against a mirror-finished chrome-plated drum, to be dried. Procedures of test with this cast coater: a specimen is coated using a coating rod or applicator bar, and it is placed on a mirror-finished plane held at a certain temperature; then over a canvas, a rubber roll is drawn, to make the coated surface stick to the mirror-finished metal surface; after drying, the specimen is taken out.