What is the sewing agent made of? What's the effect?

The caulking agent belongs to water-based epoxy resin, which will collapse to a certain extent after drying, and is not washable, easy to fall off and peel off, easy to change color after a long time and short in service life. Porcelain bonding agent is oily epoxy resin, which has good adhesion, compact system, water resistance, no mildew, various colors, oil resistance, no shrinkage, one-time molding, no shedding and no pulverization, and can be used permanently. For example, Yuhong sewing agent is very good, which is a kind of porcelain sewing.