The factors affected the dyeing levelness, color fastness, brightness as well as depth were tested, it is said that the color brightness and fastness on flax is not less than that on cotton fabric.

Dyeing auxiliaries are the key points to resolve the problems of levelness, deep dyeing and fastness in dyeing micro polyester fiber.

The wool pretreated with the aux. ea-2made by the authors was dyed with environment-friend reactive dyes to improve the levelness increase the dye uptake and decrease the dyeing temp.