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Newsletter 08-2016

Kremer Pigmente

Lapis lazuli

Genuine ultramarine blue pigment is made from the semiprecious stone, lapis lazuli, which is a mixture of the blue mineral lazurite, with calcspar and iron pyrites.

Lapis lazuli was brought to Europe in medieval times from mines located in Badakshan, which is now a province of north-east Afghanistan. The famous Badakshan mines lie in a most inaccessible region at the headwaters of the Oxus near Firgamu, and appear to have been worked very early and possibly were the source of the lapis lazuli used in Mesapotamia and in classical times. The mines were visited by Marco Polo in 1271 in connection with the journey he made, and he stated that the mineral was used for the extraction of a blue pigment. The mineral was probably imported into Europe mainly by way of Venice, the principal port for trade with the East. In northern Europe, azurite is the most commonly encountered blue pigment in easel paintings while ultramarine was exploited on a more lavish scale in Italy, especially in Venetian paintings.

Unless the mineral is of very high quality, simple grinding, washing and sieving is carried out for its preparation as a pigment. This leads to a pale grayish blue powder. Byzantine manuscripts dating from the sixth to twelfth century contained ultramarine of this description. It contained a high proportion of colorless material and may have been prepared in this simple way.

Lapis lazuli has good tinting strength and hiding power, despite the low refractive index of the pigment. However, it can be regarded as a translucent glazing pigment when used in oil. The distinctive pure bright blue color of the dry pigment is retained when bound in an aqueous media such as egg tempera. In oil it is used to best effect either mixed with white to produce a brilliant opaque blue, or as a thin translucent glaze over a lighter underpaint.


Silicate Chalks

Silicate Chalks  (# 881611 - # 881702) offer new variations of creativity not known before. Until the final protecting coating of Silicate Fixative (# 881600) is applied, the pastelcharactered pigment layer can be corrected and can even be diluted at will (e.g. with the akapad sponge). Special effects can be achieved using a brush or sponge with water.

In general Silicate Chalks can be fixated with any binders (e.g. acrylics, dispersions, glues). If impure mineral grounds like e.g. cast containing synthetic resin, don't allow fixation with Silicate Fixative, these binders even have to be used, of course being diluted accordingly. Each Chalk has an individul non-standard shape due to the various ways in which the chemistry of the pigments behave. Slightly uneven edges or deformation therefore are not a sign of bad quality. Differences in shades between the printed colour scale and chalks may occur.

Appropriate surfaces are:

• Lime and lime cement plaster
• Concrete
• Sandstone or any other kind of stone
• Terra-cotta, e.g. tiles, bricks etc.
• Rough or sanded glass, glass fibre materials

All aforementioned ground surfaces can also be painted with a primary layer of pure mineral paint and used as a background for Silicate Chalks applications.

- Sorry, not available at Kremer Pigments Inc. -

 

akapad cleaning sponges

akatissue (# 780636)

Akatissue provides more flexibility at narrow spots and is well suited to swab the surface rather than to wipe it.

All akapad products can be found here: akapad

 

Kremer Pigmente on international meetings and trade fairs

Cremona Mondomusica

30. September – 02. October 2016, Cremona, Italy

Cremona Mondomusica, the International Exhibition of Handcrafted Musical Instruments, is the most qualified worldwide Exhibition of the sector. It is the most important meeting point and a chance for confrontation among the professionals of the sector. Cremona is internationally recognized as the homeland of violin making. It is the birthplace of Masters like Antonio Stradivari, the Amati families and Guarneri, the best luthiers ever existed.

We look forward meeting you in hall 2.

 

Wahre Geschichten über die Meister vergessener Handwerke

Angelika Overath: Händler der verlorenen Farben (# 991212)

Sonderangebot: 9,80 €

Angelika Overaths Geschichten durchschreiten die messbare Welt mit analytischer Schärfe und rechnen doch zugleich mit der Hoffnung, „dieser unbelehrbaren Anarchistin“. Eine Wahrheitssuche in leichter, gewichtiger Erzählung, wie wir sie zuletzt bei Bruce Chatwin und John Berger gefunden haben.

„Angelika Overaths Geschichtensammlung sei jedem empfohlen, der sich etwas über die Welt erzählen lassen möchte und einen besonders empfindsamen Blick genießen kann.“ Renée Zucker, ZDF

- Sorry, not available at Kremer Pigments Inc. -