2025-10-09
Complete Guide to Common Printing Papers: Features, Uses, Grammage, Pros & Cons. Grammage is grams per square meter – cut a 10×10 cm piece, weigh it, then divide by area to calculate. Coated paper, called art paper in regions like Hong Kong, is high-quality printing paper made by coating base paper with white ink, mainly used for printing covers and illustrations of premium books and periodicals.a