Hiding power paper is generally used to test the hiding power performance and leveling and sagging of coating inks, and the hiding power is measured to calculate the actual production conditions such as the cost of coating application. The surface of Leneta 9A varnish covering power paper is in the shape of black and white stripes, among which the upper 1/2 of 9A covering power paper is black and white stripes, the middle 1/4 is black, and the lower 1/4 is white. This Leneta 9A The surface of the hiding power paper is covered with a layer of varnish to prevent the paint from penetrating into the cardboard and affecting the test results.








