The bark of Acacia Mearnsii (black wattle) contains significant amounts of water-soluble components called "wattle tannin". This extract is the concentrated form of wattle tannin of the catechic tannin group. To this group also belong; Cutch, Quebracho, Tea leaves, and some Sumacs. It is both a dye and a tannin.


Acacia tannin can be used as a dye for warm red-browns.

Use at 5-15% WOF.

Post mordant with 1-2% Ferrous Sulphate will produce deep blacks on all silks and steel greys on cellulose fibres (see pictures)

Fantastic for use in eco printing for creating black backgrounds.


- Securely packed in a re-sealable zip bag for easy use and storage

- Easily soluble in a liittle hot water.


This acacia extract contains 60 – 65 % of condensed tannins

Dye components; pro-anthocyanidines

                            flavonoids (chalcones).






Acacia Tannin EXTRACT

  • Storage

    Keep in a tightly closed container, stored in a cool, dry, ventilated area. Protect against physical damage. Maintain a constant temperature not to exceed 24° C. (75° F.).  Containers of this material may be hazardous when empty since they retain product residues (dust, solids); observe all warnings and precautions listed for the product.


    Heath and Safety

    Do not ingest. Do not breathe dust. Wear protective gloves, safety goggles and a dust mask when handling fine dye powders and mordants.

    Possibly harmful when swallowed or inhaled


    Environmental Hazards

    Natural dye powders are no known environmental concern. Mordants and mordanted dye baths should be disposed in a sensible way according to your local waste disposal laws.

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Suzanne Dekel

Emek Ayalon 14





All rights reserved, copyright all images and text @Suzanne Dekel