Among these additives, there are retention agent, fixing agent, starch, sizing agent, dye, bactericide, fluorescent bleaching agent, filler, fluorescent pigment.

• 这些添加剂有助留剂、固着剂、淀粉、施胶剂、染料、杀菌剂、荧光增白剂、填料、荧光颜料等等。