0.6mm amerikanischer Nussbaum- Maser
This burl veneer from America is obtained from plantations in California, where American walnut trees are “grafted” onto European walnut stumps, a refinement method used in botany. After grafting, a root burl forms below the grafting site. Once the walnut tree has reached the end of its economic life and fruit-bearing capacity, these burls are dug up and peeled.
The veneer is used in high-quality interior design, in car manufacturing for dashboards, and also in piano manufacturing as a decorative top veneer. There are different grades of burl, from head burl to half burl to full burl, the latter being one of the most expensive and sought-after types of veneer.Visually, walnut burl comes in light and dark brown tones, which are distributed wildly and florally across the veneer. The grain can cause some weak spots and small holes in the veneer.
It can be worked with all tools without any problems, but it should be noted that burl veneers tend to tear due to their uneven grain.
Drying, on the other hand, must be carried out very slowly and carefully, as the grain can cause strong internal tensions.
The grain is best shown to advantage when the veneer is polished and finished with a high-gloss varnish.
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Translated from German to English via AI (DeepL).
Sources:
Fritz Kohl, 2012, „Furniere“, Seite 323Bilder: "Templin Furnier e.K."