Elektrit

Elektrit

Elektrit, Schleifmittel, im elektrischen Ofen (Flammenbogenofen) erzeugt, amorph, nicht wie das ihm ähnliche Karborundum kristallinisch, zäh, härter als Korund, der in den neunten Härtegrad eingereiht wird. Wie Karborund für verschiedene Zwecke unerreicht ist, ist Elektrit für zahlreiche andere Verwendungen, in erster Linie beim Schleifen von Stahl, Stahlguß, Stahlmessern, Fräsern, Stahlwellen[167] u.s.w. unübertroffen. Er hat ferner die Eigenschaft, weniger verglaste Flächen zu besitzen, läßt sich daher mit Leim gut binden, besonders in Fällen, wo loses Schleifmittel auf Scheiben u.s.w. aufgebracht wird.

Andés.


http://www.zeno.org/Lueger-1904.

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