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Description
Crayons for demanding customers with the highest ASTM standard qualifying crayons in terms of photosensitivity. The 6901 series stands for D-6901 standards, made of cedar wood, which has been coated with an environmentally friendly clear varnish.
Luminance crayons guarantee 100 years of resistance to the harmful effects of light (in museum conditions), which means that the work done with these crayons does not fade and does not change color with time.
The crayons have the highest quality of pigment, so the colors are deep, intense and do not fade. And the innovative formula based on wax provides a soft, even velvety, smooth drawing. Moreover, thanks to this graphite formula, the drawing is waterproof (the crayons do not blur when exposed to water).
Dimensions:
Crayon length: approx. 17.3 cm
Crayon diameter: approx. 8 mm
Graphite diameter: 3.8 mm