Sumac

Product Name	: Sumac
Catalog	: BBC-DP-2020
Botanical Name	: Rhus verniciflua
Parts Used	: Bark
Typical Uses	: Textiles

Sumac is a wonderful source of tannin and can be used to yield tan, cool yellow, olive, ash, and charcoal. It can also be used with iron to produce a rich neutral grey dye, especially on cellulose or plant fibers. Sumac can also be used on its own as a dye without any other tannins, and it has good light and wash fastness on cellulose fibers.

Dyeing Processes

Pre mordant: Pre-treat the material with alum 15% of fabric weight.
Dyeing: Yellow—Use Sumac at 20% of fabric weight for a medium dye shade.
Post treatment: Conduct soaping of the dyed material with non-ionic detergent (0.5gpl) for 20-30 mins.
Hot wash and then cold wash.

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