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Tannin

$4.50$8.00 inc GST

Tannin or tannic acid is used to assist the mordants of cellulose fibres and fabrics.

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Description

Tannin or tannic acid is used to assist the mordants of cellulose fibres and fabrics. Alum does not bond with cellulose fibres as well as it does with protein fibres. However, tannin bonds well with cellulose. and once treated with tannin, alum will combine with the tannin-fibre complex. Many dyestuffs contain tannin (black oak, pomegranate, cutch, fustic, etc) and do not need an additional tannin.  This is a blend of tannins mainly composed of quebracho, which will leave a soft red-brown colour on the cloth.

Additional information

Weight 0.050 kg
weight

25g, 50g