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Natural Iron-Oxide is the basis for this single-pigment color, named after the region in Italy where it was first mined. Raw Sienna retains more of its yellowish color because is created prior to the heating process that creates "burnt" sienna. (Series1)
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Pigment Classification:åÊNatural Inorganic
Color Index Name:åÊPY 43
Color Index Number:åÊ77492
Chemical Description:åÊNatural Hydrated Iron Oxide
Opacity/Transparency:åÊSemi-Opaque
Lightfastness Rating:åÊI
Permanency:åÊExcellent
Munsell Notation Listing:åÊHue 9.0 YR Value 4.5 Chroma 6.6
Gloss Average:åÊ27.98
Viscosity Range:åÊ23000- 27000 CPS
CIE L*a*b* Values:åÊL*88.09 a*4.82 b*12.73
Tint Strength:åÊ88.08
