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Ores And Minerals

Our offered Product range includes Insulating Refractory Castable, Alumina Refractory Castable and Refractory Castable.

Insulating Refractory Castable

We have a large variety of high efficiencyInsulating Refractory Castable. We are well- reckoned as one of the flourishing Medium purity Insulating Castables Exporters and Suppliers. Produced from the high quality raw materials, these Refractory Insulating Castables are a perfect blend of strength and quality. We offer the Refractory Insulating Castables that are commonly used in cement, metal melting and various other heat processing industries.

Specifications

Properties JR : 7 JR : 9 JR : 9HS JR : 11 JR : 13 JR : 15
Recommended Service Temp. (oC)110011001100135013501350
Dry Density (kg/m3)750 850900 1000900 10001100 12501300 14501500 1600
Thermal Conductivity (kcal/m/hr/oC, max.) 0.140.280.280.310.330.44
CCS (Kg/cm2)110 oC1214152020253545506090100
800 oC4668810253030406070
1100 oC6810141520253030406070
1300 oC - - -40 4550707090
PLC (%)500 oC - 0.2 - - - -
800 oC 1.0 0.6 - - - -
1100 oC 1.6 1.0 1.5 0.2 0.2 0.2
1300 oC - - - 1.0 0.6 0.6
Fe2O3 (%) max8.5633.53.53.2
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Alumina Refractory Castable

We provide premiumAlumina Refractory Castable used for hot face and back up linings. Our High Alumina Refractory Castables are highly appreciated for low thermal conductivity and low density that assist in conserving heat energy. We are dependable Supplier and Exporter of the Alumina Refractory Castable in Ahmedabad (Gujarat). Types Of Alumina Refractory CastableCT Heat Castablesare produced in three grades designated as CT Heat-A, CT Heat-K and CT Heat-C containing the special high purity, high alumina refractory binder. Typical properties of these castables, including data on strength, conductivity and chemical composition are provided in the table at the bottom of this page. Each grade of CT Heat castables is used for a specific service temperature and environment.
  • CT Heat-A : CT Heat-A is a high purity, high alumina castable of exceptional quality with alumina content of over 90% and with very low silica and iron contents. Hence, it is used for service temperatures up to 1750oC and can resist attacks from process gas atmospheres containing carbon monoxide and hydrogen.CT Heat-A is particularly suitable for use in coke ovens gas production plants as well as gasification plants and is also used
    • In the Iron and Steel industry: For lining blast furnaces and for skew backs, ports and roof lining of arc-melting furnaces.
    • In the non-ferrous metal industry: To line reverberatory furnaces where high purity aluminum is produced.
    • In reactors of refineries as well as in fertilizer plants where castables with a high degree of resistance to carbon monoxide, hydrogen and ammonia are desired.
    • For lining of pre-heaters/converters and on all transfer lines.
  • CT Heat-K : CT Heat-K which has an alumina content of 60% can be used for service temperatures up to 1600oC. This castable also has a low iron content and can resist carbon monoxide attack. CT Heat-K can be used in:
    • Blast furnaces
    • Foundries
    • Boiler industry stoker arches
    • Locations where reducing atmospheres are encountered.
    • Construction of soak pit covers, forge furnaces, tunnel kilns, heat treatment furnace car tops as well as electro-phosphorus furnaces.
  • CT Heat-C : CT Heat-C is a castable with about 50% alumina and serves as a general purpose high temperature castable required for service temperatures up to 1500oC. CT Heat-C is suitable for use in:
    • Iron and steel industry
    • Semi-permanent foundries
    • Annealing furnaces
    • Stress relieving furnaces
    • Construction of special refractory shapes, monolithic convection sections in water tube boilers, ash-hopper linings and incinerator arches
Packaging and Storage : CT Heat Castable is available in HDPE bags of 50kg. The shelf life of CT Heat castables is six to nine months under ideal storage conditions.

Specifications

Medium Purity Dense Castables
CT Crete Super
ProductCT Crete (Super)*
Type70% Alumina Castable
Nature of BondHydraulic
InstallationVibration casting
General Properties
Raw Material BaseCalcined Bauxite
Max. Service Temperature1450o
Max. Grain Size1.5 mm
Water required for casting10 11 %
Reversible Thermal Expansion0.65% at 1000o
Chemical AnalysisTypical ValueSpecification
Al2O3%70.570.00 min.
SiO2%11.5-
Fe23%4.2 5.00 max.
TiO2%7.2-
CaO6.1-
LOI %0.3-
Physical PropertiesTypical ValueSpecification
Water for trowel ling consistency %24 28-
Water required for ramming consistency %10 20-
Transverse strength after drying at 110 oC for 24 hours (kg/cm2)17-
Retained above maximum size2 5.00 max.
Thermal PropertiesTypical ValueSpecification
Pyrometric cone equivalent (Orton/oC)32/171731.5/1699
Other Details
Packaging50 Kg. bags-
Storage life12 months-
Delivery stateDry-
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