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orechový olej
Názov: orechový olej (čes. ořechový olej, ang. walnut oil, nem.Walnussöl). Získáva lisovaním zo semien orecha vlašského (Juglans regia).
Vzhľad: Svetložltý až nazelenalý s charakteristickou vôňou.
Vlastnosti: Orechové semená obsahujú cca 60-65% oleja. Olej polymeruje v priebehu 4-5 dní a film je stabilnejší ako u makového oleja. Žltne menej ako ľanový olej, skôr sa zafarbuje do hneda. Časom nemäkne a v spodných vrstvách znižuje praskanie farieb. Tradične býva predpolymerovaný vystavením slnečnému svetlu v sklených nádobách s malým množstvom vody.
Pôvod: Do Európy sa rozšíril z Balkánu.
Príprava: Lisuje sa za studena niekoľko mesiacov po zbere.
Použitie: Ako spojivo pri príprave farieb pre umeleckú tvorbu sa používa už od antiky. Až do 19. storočia bol najvýznamnejším spojivom farieb pre umeleckú tvorbu. Vzhľadom na nižšie žltnutie sa používa pri príprave bielych a modrých farieb. Nejedná sa o nebezpečnú látku.
Produkty: Ořechový olej
Cena: 450,- Kč / 1 l
Dodávateľ: Sandragon s.r.o.
Literatúra:
LEXIKON der pflanzlichen Fette und Öle. Viedeň, 2008
Teyssler-Kotyška: Technický slovník naučný. Praha, 1932.
Odkazy:
© docent for obnova.sk only
Kategória: Materiály
Tag: mm7 , mtm , olej , olejomaľba
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Vytvorené: 23. júna 2012 16:06
Upravené: 23. júna 2012 16:06
Autor: docent
Názov: orechový olej (čes. ořechový olej, ang. walnut oil, nem.Walnussöl). Získáva lisovaním zo semien orecha vlašského (Juglans regia).
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