Details: ALUM: (Potassium aluminum sulfate): Crystalline white acid mordant c.7800 BC in the Mid-East for dyeing and pigments, particularly for watercolors and making clothlets. Also used by ancient Persians as a fabric pre-treatment so marbling pigments more easily transfer onto fiber. For pigments, alum is a substrate for precipitating lake pigments and making clothlets.
See also Alum in the Mordants section for more information.
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This product was added to our catalog on Friday 17 August, 2007.
