Azoic dyeing consists of reacting two components neither of which itself is a dye with one another inside the fiber to form an azo pigment.

• 不溶性偶氮染料染色有两个反应组分组成，其中任何一个单独存在都不能称之为燃料，他们彼此在纤维中形成不溶性偶氮颜料。