Le grain de carbure de silicium noir est un grain de carbure de silicium extrêmement dur et composé à 99 % de SiC. En tant que matériau abrasif, il peut être utilisé pour le sablage, le traitement de surface, le meulage de matériaux durs tels que le marbre, le verre, le jade, etc. Le carbure de silicium est produit par un processus impliquant la réaction électrochimique de la silice (SiO2) sous forme de quartz mélangée au carbone (C) sous forme de coke de pétrole brut.
| ANALYSE CHIMIQUE TYPIQUE | PROPRIÉTÉS PHYSIQUES TYPIQUES | ||
| SiC | ≥ 98 % | Dureté: | Mohs : 9,15 |
| SiO2 | ≤1% | Point de fusion: | Sublimes at 2250 ℃ |
| H2O3 | ≤ 0,5 % | Température maximale de service : | 1900℃ |
| Fe2O3 | ≤ 0,3 % | Densité spécifique : | 3,2-3,45 g/cm3 |
| FC | ≤ 0,3 % | Masse volumique apparente (LPD) : | 1,2-1,6 g/cm3 |
| Contenu magnétique | ≤ 0,02 % | Couleur: | Noir |
| Forme des particules : | Hexagonal | ||
1 Réfractaire, charge de four, coulable, composé de pilonnage, briques réfractaires, etc.
2 Sablage, traitement de surface, élimination de la rouille
3 Fabrication de produits cosmétiques, artisanat de beauté et dermabrasion, etc.
4 Produits en céramique
5 meules, papier de verre, etc.
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