<p>Open Acrylics are formulated with an optimum balance of pigment load and 100% acrylic polymer dispersion. They resist skinning, remain wet on the palette for extended periods and exhibit a remarkable versatility that allows them to be used directly from the tube for plein air painting, monoprinting and screenprinting.</p> <p><strong><br /></strong></p> <p><strong>Pigment Classification: </strong>Synthetic Inorganic<br /> <strong>Chemical Description: </strong>Oxides of Cobalt and Chromium<br /> <strong>Opacity/Transparency: </strong>5<br /> <strong>Lightfastness Rating: </strong>I<br /> <strong>Permanency: </strong>Exc<br /> <strong>Color Index Name: </strong>PB36<br /> <strong>Color Index Number: </strong>77343:1<br /> <strong>Munsell Notation Listing: </strong></p> Hue 1.0 PB<br /> Value 4<br /> Chroma 7.9 <p><strong>Viscosity Range: </strong>4000-15000 CPS<br /> <strong>Gloss Average: </strong>39.1<br /> <strong>CIE L*a*b* Values: </strong> L*42.76 a*-12.04 b*-32.29<br /> <strong>Tint Strength: </strong>89.23</p>