Огнеупорные литой с дрожанием

The products developed and produced by our company are of characteristic of easy construction and repair, With good resistance to erosion and sprint ability of molten iron, not adhere slag-iron ,long life, low consume of ton pig iron. Used for build lining and repair of iron runner( direct, branch), slag runner, skimmer of blast furnace Troughs and Runners more than 1000 m3. Also used fordirect iron runner and skimmer below 1000 m3. This products have got the National Prize for Progress in Science and Technology of metallurgy department. For different blast furnace, the general iron capacity is70,000---150,000 tons. Item Direct Iron runner Brachiron runnerSlag runnerswingrunnerAL2O3(%) ≥ 70605570SiC+C≥ 15121415Builk density (g/cm3) 110°C×24h ≥ 2.882.752.652.881000°C×3h ≥ 2.82.72.62.81500°C×3h ≥ 2.82.72.62.8Compressive Strength (MPa) 110°C×24h ≥ 302530301000°C×3h ≥ 302530301500°C×3h ≥ 40354040Rupture Strength (MPa) 110°C×24h ≥ 44541000°C×3h ≥ 55651500°C×3h ≥ 6676Linear Variation (%) 1450°C×3h ±0.5±0.5±0.5±0.51500°C×3h ±0.5±0.6±0.6±0.6