This standard establishes the operating methods to be followed to evaluate the absorbency of coated papers and cardboards to porometric inks. 2 The method applies to coated papers and cardboards intended for printing, which, from a subjective point of view, can be considered white or almost white.
UNI 7627-1976 history
1976UNI 7627-1976 Tests on paper and cardboard coated with glossy materials. Microporous ink absorbance measurement