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Newsletter 03-2016

Kremer Pigmente

Indigo
 

Indigo is an organic blackish blue pigment. Natural indigo was the only source of the dye until the late 19th century. Today indigo is also produced synthetically and available in various shades.

A variety of plants, such as Indigofera species or Isatis tinctoria, provide the indigo dye. Indigofera species can be found all over the world. The dye is obtained from the processing of the plant's leaves. The leaves are soaked in water and fermented in order to convert the glycoside indican naturally present in the plant to the blue dye idigotin. The precipitate is mixed with a strong base such as lye, pressed into cakes, dried, and powdered. The powder is then mixed with various other substances to produce different shades of blue and purple.

Indigo is among the oldest dyes to be used for textile dyeing. For centuries Indigo was used in many Asian countries, also in Mesopotamia, Egypt, Greece, Peru and Africa. The Romans used indigo as a pigment for painting and for medicinal and cosmetic purposes. It was a luxury item imported to the Mediterranean from India by Arab merchants. Indigo has been used in traditional textile dying throughout West Africa. From the Tuareg nomads of the Sahara to Cameroon, clothes dyed with indigo signified wealth.

Natural indigo is not soluble in water or in alcohol. To be dissolved, it must undergo a chemical change: an alkaline solution containing a reduction agent reduces the water-insoluble indigo to a soluble substance known as indigo white or leucoindigo. When a submerged fabric is removed from the dyebath, the indigo white quickly combines with oxygen in the air and reverts to its insoluble form (giving the blue color).

 

Spring News from the Color-Mill 2016

We present you new Pigments, Mediums, Binders, Solvents, Plant-Watercolors, Wall Paints, Linen, Canvas Frames, Brushes, Tools and Books. Be inspired by our spring news and immerse yourself in the world of colorful pigments and new opportunities for working techniques.

Here you can find the list of all new products available at Kremer Pigments Inc.

Colorful regards,

Dr. Georg Kremer & David Kremer

Spring News from the Color-Mill 2016

 

Recipe: Silicate-Dispersion-Paint with Syton X 30

This binding medium is very suitable for ceramic surfaces, indoor and outdoor concrete. Do not use in wet areas.

Ingredients:

1 part (#31430) Syton® X 30

1 part (#75367) Dispersion K 9

1 part (#65000) Water

Pigments (suitable for potassium silicate)

General Pigment Suitability List


Processing:

Mix the binding media and stir them well.

Use only pigments which are stable in potassium silicate. Add the pigments in small portions to the binding medium solution, stir well, until you get a smooth paint with a viscosity like coffee cream. If the paint gets too thick, thin it with the binding medium.

Make sure to test the paint prior to applying the paint. In case the paint is chalking, add more binding medium.

Note:

Minimum film forming temperature: 5°C
Estimated consumption: approx. 120 ml / m2

 

Wall Paint made of pure pigments

These solvent-free, water-soluble wall paints are obtained from natural raw materials and are available in eight different shades. Our raw materials and pigments are processed observing highest quality standards and create silk-matt and high-coverage paint. The wall paint is fast drying, diffusible, breathable and conditionally abrasion resistant. It can be used on all interior wall surfaces (the application of a transparent binder might be necessary). 

The raw pigments are natural earths, historical cobalt pigments and carbonic pigments.


- Sorry, not available at Kremer Inc. - 

 

Kremer Pigmente on international meetings and trade fairs

Kremer Pigmente at ICOM-CC conference

from 8th till 9th April 2016 in Potsdam, Germany

Joint Interim Conference of the ICOM-CC Working Groups: Wood, Furniture, and Lacquer and Sculpture, Polychromy, and Architectural Decoration, kindly supported by the German Association of Conservator-Restorers (VDR) Specialty Group: Furniture and Wooden Artifacts. Hosted in collaboration with the University of Applied Sciences Potsdam. 

We look forward meeting you.

 

Courses in Aichstetten

The knowledge of pigments, of their use and application is a foundation of painting and restoration. In our courses the experienced teachers will show you a wide range of pigments and binders and you have the opportunity to work with selected materials according to historic recipes. The teaching language is German.

Kurs: Acrylfarbe

Eigenschaften, Herstellung und Verwendung

15. April 2016 in Aichstetten