Gallium Indium Tin eutectic, 99.99% – liquid Metal 100 grams<\/p>\n
Ga:In:Sn; 69:22:9 wt%<\/p>\n
Bei dieser Fl\u00fcssigkeit handelt es sich um eine Familie eutektischer Legierungen aus Gallium, Indium und Zinn, die bei Raumtemperatur fl\u00fcssig sind und in der Regel bei -19 \u00b0C (-2,2 \u00b0F) einfrieren. Aufgrund der geringen Toxizit\u00e4t und der geringen Reaktivit\u00e4t der darin enthaltenen Metalle wird sie als Ersatz f\u00fcr viele Anwendungen eingesetzt, bei denen zuvor giftiges fl\u00fcssiges Quecksilber oder reaktives NaK (Natrium-Kalium-Legierung) verwendet wurde. <\/span><\/p>\n Es neigt dazu, viele Materialien zu benetzen und an ihnen zu haften, darunter auch Glas, was seine Verwendung im Vergleich zu Quecksilber einschr\u00e4nkt. Ga-In-Sn-Fl\u00fcssigkeit wird aufgrund seiner ungiftigen Eigenschaften kommerziell als Quecksilberersatz in Thermometern verwendet, aber das Innenrohr muss mit Galliumoxid beschichtet werden, um zu verhindern, dass die Legierung die Glasoberfl\u00e4che benetzt.<\/span><\/p>\n Es hat ein h\u00f6heres Reflexionsverm\u00f6gen und eine geringere Dichte als Quecksilber; es wird als Ersatz f\u00fcr Quecksilber in Fl\u00fcssigspiegelteleskopen f\u00fcr die Astronomie untersucht. Es ist auch ein vielversprechendes K\u00fchlmittel, obwohl seine Kosten und seine Aggressivit\u00e4t (es korrodiert viele andere Metalle, indem es sie aufl\u00f6st) gro\u00dfe Hindernisse f\u00fcr seine Verwendung darstellen. Kleine Mengen werden inzwischen als W\u00e4rmeleitpaste an Computerenthusiasten verkauft; sie hat eine viel bessere W\u00e4rmeleitf\u00e4higkeit als herk\u00f6mmliche W\u00e4rmeleitpasten (wodurch hei\u00dfe Chips wie CPUs und GPUs um mehrere Grad k\u00fchler laufen k\u00f6nnen), muss aber sorgf\u00e4ltiger aufgetragen werden als die elektrisch isolierenden Standardfette, da Versch\u00fcttungen Kurzschl\u00fcsse verursachen k\u00f6nnen.<\/span><\/p>\n \u00a0<\/span><\/p>","protected":false},"excerpt":{"rendered":" Gallium Indium Tin eutectic, 99.99% – liquid Metal 100 grams Ga:In:Sn; 69:22:9 wt% This liquid is a family of eutectic 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