Schwarzes Siliziumkarbidpulver wird aufgrund seiner hohen Härte (Mohshärte 9,1–9,3) , seiner scharfen Kanten und seiner hervorragenden thermischen Stabilität häufig zum Polieren und Läppen verwendet. Es eignet sich besonders gut für Metalle, Keramik, Glas, Stein und Verbundwerkstoffe .
Wichtige Eigenschaften zum Polieren
Hohe Härte – Effizienter Materialabtrag
Scharfe, kantige Körner – Sorgt für eine konstante Schneidwirkung
Thermische und chemische Beständigkeit – Geeignet für Nass- oder Trockenpolieren
Kontrollierte Partikelgrößen – Erhältlich in feiner bis grober Körnung (FEPA-, JIS- oder Mikron-Klassen)
Gängige Polieranwendungen
Metallpolieren
Entgraten und Veredeln von Edelstahl, Titan, Aluminium und Gusseisen .
Wird in Vibrationspoliermaschinen, Schleifpasten und Poliermitteln verwendet .
Stein- und Betonpolieren
Polieren von Granit, Marmor und Kunststein.
Wird in harzgebundenen Schleifscheiben und Polierpads verwendet .
Glas- und Keramikveredelung
Kantenschleifen und Oberflächenpolieren von optischem Glas, LCD-Bildschirmen und technischer Keramik.
Läppen und Präzisionsbearbeitung
Wird in Läppmitteln verwendet , um ultraglatte Oberflächen auf Dichtungen, Lagern und Ventilen zu erzielen.
Körnungsgrößen zum Polieren (gängige Standards)
| Körnung (FEPA) | Durchschnittliche Partikelgröße (µm) | Typische Verwendung |
|---|---|---|
| F220 | 53 – 63 | Grobpolieren |
| F320 | 29 – 37 | Mittleres Polieren |
| F400 | 17 – 23 | Feinschliff |
| F600 | 9 – 13 | Präzisionspolieren |
| F800-F1200 | 6 – 9 | Ultrafeine Veredelung |
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