Phthalo Blue – Series 1

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Art Spectrum® Phthalo Blue is based on the Phthalocyanine pigment which is renowned for its tinting strength. It is the pigment which is produced in the highest volumes globally.

Pigments Lightfastness Permanence Opacity Granulating /Staining
PB15:3 ASTM II ***            (very good) Transparent Staining

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.