Large converter rapid hardening repair material

The product combined with the actual situation of converter, and the successful development with scientific research units of large converter rapid hardening repair materials with hardening patch fast, good liquidity poured into the furnace, 30 35 minutes be hardened, compared to the traditional tar dolomite each fettling may be shortened by up to 30 40 minutes, furnace service life can reach 5 to 7 hearts. The performance as below: ItemBrandChemical composition%Hardening timeminCCSMPaBDg/cm3Bond strengthMPaMgOCCaO10001000 /0.5h1000 /0.5h1000 /0.5hMagnesia-carbon gunning refractoryKJP-80≥8212≤2≤30≥20.02.40≥3.0Calcium magnesium carbon gunning refractoryKJP-70≥7012≥14≤30≥15.02.38≥3.0marble carbon gunning refractoryKJP-40≥4314≥38≤30≥12.02.32≥2.5