| Message: | FeaturesLow thermal conductivityHigh purity and low iron contentGood thermal resistance with direct access to fireSuperior thermal shock resistanceAccurate dimension and easy cuttingTypical ApplicationsCracking furnaceConversion furnaceHeating equipmentRefining equipmentReproduction equipmentHot blast stoveDescriptionInsulating firebricks gains typical advantages including low thermal conductivity, fine thermal shock resistance, low heat containment and low iron content,Meanwhile,the outstanding mechanical flexibility, coupled with high insulating efficiency expands the extensive applications of IFB in a variety of industrial markets.Our insulating firebrick is manufactured from high-grade refractory powder and materials in good purity. During the process of production, organic and multiple filling materials are according to the required proportion, the brick is compressed in vacuum and sintered under high temperature.SpecificationsDescriptionGrade 23Grade 26Grade 28Grade 30Classification Temperature1300C/2300F1400C/2600F1500C/2732F1550C/2822FDensity(kg/m3)6008009001000Cold Crushing Strength (MPa)1.21.82.53.3Modulus of Rupture(MPa)1.01.72.33.1Permanent Linear Change (%)x24hrs≤0.6≤0.6≤0.8≤0.9Thermal Expansion (%)1000C0.50.520.520.53Thermal Conductivity (W/m.k)350C0.180.250.330.38400C0.200.290.350.40600C0.240.320.370.42Chemical Composition (%)Al2O342566773SiO255413024Fe2O3≤1≤0.8≤0.7≤0.7K2O+Na2O1.11.71.71.7 url:http://www.jceco-tech.com |
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