Significados de mordant dyes en inglés

First let us examine the wool patterns dyed with the " mordant dyes."

Here again we have two classes, " mordant dyes" and "direct dyes."

The fourth group, mordant dyes, includes the alizarine series of coal-tar colours, logwood, Brazil wood and most natural colours, and some others.

The direct and basic dyes are very little used, but the acid and mordant dyes are extensively employed, as is indicated in the following recipes.