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Alum 250 grams
Potassium Alum 250 gram pack for mordanting wool, cotton, silk & paper - SAVE £6.50p over the 50 gram price of Alum Mordant.
Potassium alum or potash alum is potassium aluminium sulphate dodecahydrate and our potassium alum is 99% pure and heavy metal free.
Potassium Alum Mordant is weighed and sealed in a polythene bag. The bag is then labelled, placed in a padded envelope and posted to you First Class.
£8.25
UK Shipping £4.95p on orders up to £100 & free over £100 in UK
[shipping £2.95 on very small orders up to £2.95 in value]
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Updated on 22 April 2024
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