Carbon block is a kind of carbonaceous refractory material made from coke, anthracite or graphite and tar as raw materials after being mixed and shaped, and burned to 1450℃ in reducing flame. The carbon mass fraction is 88% to 90%. It can resist the erosion of molten metal and various slag, but it is easy to be oxidized. It’s used for masonry bottom and hearth of blast furnace.
Semi-graphite Carbon Block
Semi-graphite carbon block uses electric calcined, low-ash content, semi-graphitized anthracite coal and silicon carbide as primary material. The production process include high-speed vibration, high-pressure compression, high temperature baking and final finishing. The advantages of semi-graphite baked carbon block include good erosion resistance and good thermal conductivity.