Most leveling agents are water-soluble surfactants. According to the effect of leveling agents on the diffusion and aggregation of dyes, they are mainly divided into two types: fibrophilic leveling agents and dye-philic leveling agents.
Uniform dyeing: When the color depth, shade and brightness of the entire surface of the fabric are consistent, the dyeing can be called uniform dyeing. Most levelling agents are water-soluble surfactants. It can also be expressed as a substance added during the dyeing process of fiber yarn, thread or fabric in order to promote uniform dyeing and not produce color streaks, stains and other defects.
Types of level dyeing agent: fibrophilic level dyeing effect; dye-philic level dyeing effect; dyes and fibers have affinity.