Amsterdam Acrylic Cobalt Blue (Ultramarine) - 250ML watercolour-sketchbook Air dry to the touch

Air dry to the touch in 10 to 30 minutes

Available in two unique styles: Catalyst Wedges are ergonomically designed to fit in your hand allowing a direct interaction with your work

•Always test on scrap materials first to ensure compatibility

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Amsterdam Acrylic Cobalt Blue (Ultramarine) - 250ML watercolour-sketchbook Air dry to the touchAmsterdam Standard Series Acrylics come in a wide selection of pure, brilliant colours, skillfully made with 100% acrylic emulsion and high quality pigments. Offering excellent lightfastness and multiple opacities, Amsterdam Acrylics adhere well to canvas and walls, as well as to many other non greasy surfaces: paper, cardboard, wood, plywood, concrete, chipboard, plaster, etc. Special metallic, pearlescent and reflex colours complete the balanced