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TANNIC ACID

£6.00

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Description

Tannin

Tannic acid is used to mordant cellulose fbres and fabrics before the alum mordant.

Alum does not combine as readily with cellulose fibres as it does with protein fibres. However, tannin has a great infinity for cellulose. Once mordanted with tannin, alum will combine well with the tannin-fibre complex.

HOW TO MORDANT COTTON

SAFETY GUIDELINES

25g …… £6.00