Sheets sized with styrene copolymers showed better ink hold-out for cambogia and soot-ink, but less than ideal hold-out for indigo and carmine.

• 使用苯乙烯共聚合物的上胶纸，对藤黄及墨汁之托色尚佳，对花青及洋红之托色效果不尽理想。