Permanent Gamboge – Series 3

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Art Spectrum® Permanent Gamboge is a yellow with golden warmth. Modern pigment alternatives are used in the formulation to replace the original pigment that had a poor lightfast rating and was also known to be toxic.

Pigments Lightfastness Permanence Opacity
PY97, PY83 ASTM II ***         (very good) Transparent

ASTM Approved Permanent Colours American Society for Testing and Materials, conforming to standard D4302-90.

In accordance with proven traditional methods of production, all Art Spectrum® Artists’ Watercolours are carefully stone milled to enhance the individual brilliance of each selected permanent pigment and to maximise its handling qualities.