Refractory Raw MaterialsSilicon carbide and chromium raw materials

Black Silicon Carbide (SiC)

Black silicon carbide is supplied as a refractory raw material in four grades, SIC 98 to SIC 88, in the grain and powder sizes listed in the specification below.

Grades / types: SIC 98, SIC 95, SIC 90, SIC 88
Grain sizes: 0-1mm, 1-3mm, 3-5mm, 0-10mm, 1-10mm, -100mesh, -180mesh, -200mesh, -325mesh; other sizes as requested

Product overview

Black silicon carbide is supplied as a refractory raw material in the grades SIC 98, SIC 95, SIC 90 and SIC 88. The catalogue states SiC content, free carbon, Fe₂O₃ and SiO₂ limits for each grade, and one list of grain and powder sizes; other sizes are available as requested.

Technical data

Specification
Property	Unit	SIC 98	SIC 95	SIC 90	SIC 88
SiC	%	≥98	≥95	≥90	≥88
F.C	%	≤0.3	≤0.8	≤2.5	≤3.0
Fe₂O₃	%	≤0.3	≤0.8	≤2.5	≤3.0
SiO₂	%	≤0.3	≤0.8	≤2.5	≤3.0
Grain Size		0-1mm, 1-3mm, 3-5mm, 0-10mm, 1-10mm, -100mesh, -180mesh, -200mesh, -325mesh, other sizes as requested	0-1mm, 1-3mm, 3-5mm, 0-10mm, 1-10mm, -100mesh, -180mesh, -200mesh, -325mesh, other sizes as requested	0-1mm, 1-3mm, 3-5mm, 0-10mm, 1-10mm, -100mesh, -180mesh, -200mesh, -325mesh, other sizes as requested	0-1mm, 1-3mm, 3-5mm, 0-10mm, 1-10mm, -100mesh, -180mesh, -200mesh, -325mesh, other sizes as requested