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Artisan Water Mixable Oil - Burnt Umber 37ml

Regular Price $16.08 Special Price $14.46

ARTISAN WATER MIXABLE OIL COLOUR BURNT UMBER

A rich dark brown pigment, Burnt Umber is made from natural brown clays found on earth. It was named after Umbria, a region in Italy where it was mined. Burning the raw pigment intensifies its colour.

  • Pigment(s) PBr7
  • Colour Number 76
  • Colour Series 1
  • Colour Vehicle Oil Modified Linseed oil
  • Permanence Rating AA
  • Transparency / Opacity T
Availability: In stock
Only 7 left
SKU
1514076

Lightfastness: Lightfastness is shown with an ASTM rating for the pigment. The ASTM abbreviation stands for the American Society for Testing and Materials. This organization has set standards for the performance of art materials, including a colour's lightfastness.  In this system, I has the highest lightfastness available, and V is the lowest, though ratings I and II are considered permanent for artists' use.

Where no ASTM rating is given for a Winsor & Newton colour, it is labelled as N/L, meaning "Not Listed" this usually indicates that the ASTM has not yet tested the pigment or the type of range. It does not necessarily imply a lack of lightfastness.

In these cases, we recommend that you refer to the Winsor & Newton permanence rating, which evaluates colour on many aspects, including lightfastness, and indicates a colour's ability to resist fading. 

Colour Index Name: Each pigment can be universally identified by its Colour Index Generic Name. As an example: Cobalt Blue is Pigment Blue 28, abbreviated to PB28.

Series: The Series number indicates the relative price of the colour and is determined mainly by the pigment cost. Series 1 is the least expensive, and Series 5 is the most expensive. There is no series column, indicating the price is uniform across the range.

T/O - Transparency/Opacity: Transparent colours are marked ‘T' and semi-transparent ‘ST.' Opaque colours are marked ‘O' and semi-opaque ‘SO.' Transparency, however, is relative; the ratings are provided as a guide only. In addition, any thin film of colour will appear more transparent than a thicker one.

Permanence: The permanence of an artist's colour is defined as ‘its durability when laid with a brush on paper or canvas, graded appropriately and displayed under a glass frame in a dry room freely exposed to ordinary daylight and an ordinary town atmosphere.'

In simpler terms, their resistance to change is when exposed to light and the atmosphere.

  • AA       - Extremely Permanent
  • A         - Permanent
  • B         - Moderately Durable
  • C         - Fugitive
  • For further information on some colours, the rating may include one or more of the following additions:
  • (i)         A' rated in full strength may fade in thin washes
  • (ii)        Cannot be relied upon to withstand damp
  • (iii)       Bleached by acids, acidic atmospheres
  • (iv)       Fluctuating colour; fade in light, recovers in dark
  • (v)        Should not be prepared in pale tints with Flake White, as these will fade
  • (vi)       A' rated with a coating of fixative

 

More Information
Size37 ml
BrandWinsor & Newton
Country of ManufactureUnited Kingdom
Type of Store Credit valueSelect
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