Ultramarine Blue – 284

  • A Manufactured Pigment
  • Excellent UV Stability
  • Suitable For All Mediums
  • Lime And Cement Colour Stable When Dry
  • Non-Toxic

Ultramarine Blue pigment is a deep blue synthetic pigment, suitable for most media, Care should be taken if using with lime based media, prolonged storage in a wet lime binder will cause the pigment to fade. For best results with lime mix and use immediately. Once the lime is dry the pigment is more stable. As with most blue pigments Ultramarine blue is not UV stable so unsuitable for areas exposed to sunlight which will cause fading.


Technical Info:

Pigment Name: Ultramarine Blue – 284
Pigment Type:
  Manufactured Pigment
Country of Origin: UK
Colour Index: B29 – N° CAS : 101357-30-6
Density: 648 g/l
Chemical Make-up:  Sodium aluminosilicate polysulphide
Chemical Formula: Na6Al6Si6O24S4
Lime Stable? Yes*
UV Rating: Average
Colouring Power: Very Good
Particle Size: 50 microns (325 Mesh)
Heat Stability: Colour Stable to 150°C / 300° F

*Lime stable if it used as soon as it is mixed.

PLEASE NOTE: The images shown are for guidance only. Image colours can vary depending on monitor/screen setup.


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