Welsh Blankets
Mordant - Potasium Alum Sulphate
£1.00
Potassium Alum Sulphate Mordant
Potassium aluminium sulphate, commonly known as Alum is used as a mordant in textile dyeing, which helps to fix natural dyes to fabrics. When used in the dyeing process, alum helps the fibres to bond with the dye molecules, resulting in a more permanent and vibrant colour.
Alum is packed and supplied in an eco-friendly Kraft Paper Stand-up Pouch with a resealable zip lock. Available in 50 grams, 100 grams or 250 grams pouches.