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How Are Disperse Dyes Classified
Sep 18, 2018

Disperse dyes can be classified into low temperature type, medium temperature type and high temperature type depending on the heat resistance of the application.

◆Low temperature dye

Low sublimation fastness, good leveling performance, suitable for dyeing by exhaustion, often called E-type dye;

◆High temperature dye

High sublimation fastness, but poor leveling, suitable for hot melt dyeing, called S-type dye;

◆Medium temperature dye

The sublimation fastness is between the above two, also known as SE dye.

When dyeing polyester with disperse dyes, the dyes should be selected according to different dyeing methods.