Art Spectrum® Liquid Spectrum Inks are brilliant, water-resistant, non-toxic, lightfast ASTM 1 & 2 colours that have twice the pigment concentration of standard ink ranges. The colour strength allows them to be diluted to Watercolour like washes or used undiluted to make bold, vibrant artworks. When intermixed and used in conjunction with Liquid Spectrum Metallics this range creates an unlimited vibrant palette for the artist. Blue Wool Scale ratings of 6,7,& 8 are considered permanent for artistic purposes.
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