What kind of glue is used to mix the mineral pigments painted by Buddha statues?

Vegetable gum. The most commonly used pigment is made by crushing minerals, grinding them with clear water and mixing them with plant gum, which is used to draw Buddha statues. Mineral pigments are inorganic pigments and belong to inorganic color pigments. There are two main sources of mineral pigments: one is natural minerals through mineral processing, crushing, grinding, grading and refining, which are mainly used in painting, handicrafts, antiques, cultural relics restoration and so on. Another source of inorganic pigments is chemically synthesized pigments, which are made from natural mineral products through a series of chemical treatments.