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Newsletter 11-2015

Kremer Pigmente

Ochre - a natural occuring 

The color designation „Ochre“ speaks for itself, every child knows what it means. Correctly formulated is it a crushed, grayish orange yellow. The bright ochre varieties are the most common, which are known as “Light Ochre” or “Yellow Ochre”. Additional variations are Dark Ochre, Gold Ochre and Red Ochre, including lots of various nuances.

Because ochre can be found frequently in nature and has no special difficulties in processing, it has been used as a color for painting since ancient times; for example for the cave drawings from Altamira. The ancient Greeks called ochre “Ochra” and the Romans “Sil”.

French Ochre is amongst the most highly valued ochre varieties. The different qualities are offered under a defined letter code. In the Departement Vaucluse near Apt and Roussillon the world famous ochre mines are located. The sediments of Roussillon are cretaceous marine sand deposits, a layer is rarely recognized. The color of the sediment is a secondary appearance. On the sand a layer of limonite has been deposited, the different color stems from the weathering product of this layer.

Other varieties of ochre can be found in Italy, England and in some cases also in Germany. “Amberg Yellow” is a German ochre variety, favored within the design of historic buildings in the Bavarian region. “Satin Ochre” refers to an orange-gold ochre shade. “Oxide Yellow” is a synthetically produced ocher shade, which is replacing the natural product increasingly.

All ochre varieties are semitransparent or opaque pigments, completely lightfast and compatible with all common binders.
Therefore ochre is an universal pigment, which can be used in every technique. Ochre glazes have a slight cloudy effect, which is used specifically for certain effects and in landscape painting ochre is used for mixing natural green shades. Mixing an ochre nuance out of basic colors would be much complicated and time-consuming. Small additions of ochre are essential for the illustration of air in portrait painting and to refract very colorful shades. A thin layer of ochre gives watercolors a harmonious composite of light.

Kremer Pigmente Advent Quiz

Everyday in December we will post a question on our Facebook page.

Please write a comment under the particular post if you know the answer.

Under the 20 first received and correct answers we will give away a great price.

 We are looking forward meeting you on Facebook.

Recipe: Egg Tempera


Crack a fresh egg and fill it into a glass with a screw cap. Fill the empty shells of the egg with linseed oil varnish and add it to the egg (the same volume as the egg).

Now shake everything well until the fluid becomes a smoothy emulsion.

Then fill the egg shells with dammar varnish and add it to the egg and the linseed oil varnish.

Shake everything well again until the fluid becomes a smoothy emulsion.

Fill the egg shells with water, add it to the emulsion and shake well again.

In this egg tempera (binder) stir in the pigment of your choice in a mortar or on a plate and grind until the fluid gets the viscosity of a yogurt.

Now the paint is ready to use.

Note: If necessary, the tempera can be diluted with some water.

Product Innovation

Banik / Brückle: Papier und Wasser / Paper and Water

A German textbook for Restorers, Conservation Scientists and Paper Makers.

Wasser ist ein ständiger Begleiter aller Werkstoffe auf Cellulosebasis. Es ist Bestandteil der lebenden Pflanze und immer auch in verarbeiteten pflanzlichen Rohstoffen vorhanden. Wasser ist die entscheidende Voraussetzung für die Verarbeitung von Cellulosefasern bei der Herstellung von Papier - Papier ist in diesem Sinne aus Wasser geboren und Wasser beeinflusst seine Werkstoffeigenschaften in hohem Maße.

Flat Brush, extra thin

For Decorative Painting, length 65 mm, width 35 mm, bright hair, slightly spread