(And why do you need to know?) pH is something you will see a lot in descriptions of natural dyeing processes. In short: pH stands for...

THE FUNCTION OF MORDANTS Most dyes, when applied to fabric, will either wash out or fade rather quickly. These dyes need to be fixed to...

Scouring in regard to fibers means: to free or clear fabrics or fibers from impurities like dirt, grease, pectins. The word 'scouring' is...