Basic Methods
Wax or paste: melted wax or some form of paste is applied to cloth before being dipped in dye. Wherever the wax has seeped through the fabric, the dye will not penetrate. Sometimes several colors are used, with a series of dyeing, drying and waxing steps. The wax may also be applied to another piece of cloth to make a stencil, which is then placed over the cloth, and dye applied to the assembly; this is known as resist printing.
Paper stencils may also be used; another type of resist printing. The same method is used in art in printmaking, in one form of screenprinting.
Mechanical: the cloth is tied, stitched, or clamped using clothespegs or wooden blocks to shield areas of the fabric.
Chemical: a modern textile printing method, commonly achieved using two different classes of fiber reactive dyes, one of which must be of the vinyl sulfone type. A chemical-resisting agent is combined with dye Type A, and printed using the screenprint method and allowed to dry. A second dye, Type B, is then printed overtop. The resist agent in Type A chemically prevents Type B from reacting with the fabric, resulting in a crisp pattern/ground relationship.
Read more about this topic: Resist Dyeing
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