Ultramarine Blue French Oliemaling 37ml

After testing dozens of samples from around the world we finally found one that fits our requirements. Beautifully transparent, rich, deep, with a hint of red in the undertone. Series: 2CI Number: NACI Name: PB29, PV15Pigment Name: Polysulfide of Sodium Alumino Silicate, Polysulfide of Sodium Alumino-SilicateLightfastness: ASTM I - ExcellentOpacity: TransparentGrind: Very Fine