ASTM Rating Ligthfastness: –

Colour name: Cadmium Red Purple

Colour index: PO34

Pigment description: Arylide

Series: 4CI Number: NACI Name: PY42Pigment Name: Synthetic Hydrated Iron OxideLightfastness: ASTM I - ExcellentOpacity: TransparentGrind: Coarse

polychromos farveblyant 137 blue violet Lilac ASTM Rating Ligthfastness: –Polychromos colour pencils are professional artist quality Unsurpassed pigments and lightfastness Waterproof oil pastel pencils in soft, intense colours Shatterproof due to special gluing(en) Available in individual pencils or in different assorted sets Wood from certified and sustainable forestry Environmentally friendly and water based varnish Wide 3. 8 mm pencil.