SiC 98.5% Abrasive Silicon Carbide In Black For Refractory Materials

iC 98.5% Abrasive Silicon Carbide in Black for Refractory Materials  Applications For abrasives, grinding of electronics, metallurgical additive. For special ceramics, foam ceramics For auto parts, war industry and aviation, steelmaking For abrasive and cutting tools and Cutting disks made of SiC For grinding, honing, water-jet cutting and sandblasting. For lapping and polishing ,metallurgical additive and refractory material. Property Low density High strength Low thermal expansion High thermal conductivity High hardness High elastic modulus Excellent thermal shock resistance Superior chemical inertness Chemical composition Purpose Specification Chemical Composition(%) Magnetic material content(%)max Abrasives grade SICmin F.Cmax Fe2O3max grain 12-80 98 0.20 0.6 0.0023 90-150 97 0.30 0.8 0.0021 180-220 97 0.30 1.2 0.0018 micropowder 240-4000 96 0.35 1.35 — Refractory grade Group Size 0-1mm 1-3mm 3-5mm 5-8mm 97 0.35 1.35 — Fine Powder -180mesh -200mesh -240mesh -320mesh 97 0.35 1.35 — color Black           Hardness(mohs) 9.15 Melting point(°C) 2250 Maximum service temperature(°C) 1900 Ture density(g/cm3) 3.9