Complies with ASTM D 6901 for lightfastness Highest ASTM approved lightfast ratings (I or II) Excellent resistance to the fading effects of prolonged exposure to light Artists' quality colored pencils for every level of expertise High quality pigments for rich color saturation Soft, thick cores are designed a smooth color laydown for superior blending and shading Thick cores resist breakage Available in 48 brilliant colors sold individually or in a set of 12, 24 & 48
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Lightfast Testing Methodology |