Table 1. Type number, Korean name, and scientific or common name of natural dyeing materials used to dye the Hanji

Type no.	Korean name	Scientific or common name	Density of Hanji, after dyeing (g/cm3)
1	원지, 한지	Control, Hanji	0.35
2	옻 TP(테레빈유)	Ottchil (Turpentine)	0.34
3	옻 ET(에탄올)	Ottchil (Ethanol)	0.32
4	사방오리나무 열매	Alnus firma Sieb. et Zucc., Alnus firma fruit	0.33
5	치자 열매	Gardenia jasmininoides, Gardenia seeds	0.32
6	괴화나무 열매	Sophora japonica L., Pagoda tree seeds	0.32
7	정향나무	Eugenia caryophyllata, Clove tree	0.32
8	황벽나무 수피	Phellodendron amurense Rupr., Amur cork-tree bark	0.32
9	먹	Meok, Chinese ink	0.32
10	쪽	Persicaria tinctoria (Aiton) H. Gross, Indigo	0.36
11	락	Laccifer lacca, Kerria lacca, Lac	0.31
12	자초 뿌리	Lithospermum erythrorhizonSieb. et Zucc., Violet-root cromwell	0.31
13	코치닐	Coccus cacti L. Cochineal	0.31
14	소목	Caesalpinia sappan L., Sappan wood	0.31
15	복사 용지	Copy paper	0.70