High Purity Dense Castables Supplier



We Provide Optimum Refractory Castables that are Commonly Used for Hot Face and Back Up Linings. Our High Alumina Refractory Castables are Highly Appreciated for Low Thermal Conductivity and Low Density that Assists in Conserving Heat Energy. Low Concentration of Iron in Our Insulating Refractory Castables Makes Them Perfect for Various Industries. We Offer Insulating Refractory Castables At Very Affordable Prices Within the Specified Time Frame. We have Carved a Niche as One of the Moving Ahead Insulating Refractory Castables Manufacturers and Suppliers Based in India.

 

Application

  • Iron and steel Industry for lining blast furnaces and for skew backs, ports and roof lining of arc – melting furnaces

  • For Lining of pre heaters / Converters and on all transfer lines.

  • Coke basis gas production plants as well as gasification plants

  • 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.

  • Iron and steel industry

  • Semi-permanent foundries

  • Annealing furnaces

  • Stress relieving furnaces, boilers


Specifications

Al2O3 (Min.) 50-96
Fe2O3 (Max) 0.8-1.5
Refractoriness°C (Min) 1665-1835
Service Temp. °C (Max) 1500-1850


Properties

PARTICULARS DAT-HEAT A DAT-HEAT M DAT-HEAT K DAT-HEAT C DAT-HEAT A(Super) DAT-HEAT K(Spl) DAT-HEAT C(Spl) DAT-HEAT 94 DAT-HEAT 97
GENERAL PROPERTIES
Service Temp. °C (Max) 1750 1700 1600 1500 1750 1600 1500 1800 1850
Grain Size mm (Max) 5 5 5 5 5 5 5 5 5
Water Required for Casting (%) 43321 9.0-10.5 43384 43384 43321 43384 43384 8.5-9.5 8.5-9.5
CHEMICAL PROPERTIES
Al2O3 (Min.) 90 80 60 50 90 60 50 94 96
Fe2O3 (Max) 0.8 1.5 1 1.3 0.8 1 1.3 0.3 0.3
PHYSICAL PROPERTIES
Bulk Density (kg/m3) (Max) Bulk Density ( kg/m3) (dried at 1100C for 24 hrs.) (Min.) 2.75 2.6 2.2 2.1 2.85 2.1 2.1 2.8 2.8
Cold Crushing Strength ( kg/cm2) 110°C 600 550 350 350 850 450 400 600 400
1100°C 3 hrs 330 380 230 220 450 250 260 450 250
1550°C 3 hrs 650 600 520 500 700 550 550 750 400
THERMAL PROPERTIES
Refractoriness°C (Min) 1820 1804 1683 1665 1820 1683 1665 1835 1835
Permanent Linear Change (%) (temp. x 3 hrs.) at 1550°C (Max) ±1.00 (1550°C) ±1.00 (1550°C) ±1.50 (1550°C) ±1.00 (1550°C) ±0.70 (1550°C) ±1.50 (1550°C) ±1.00 (1550°C) ±0.50 (1550°C) ±0.80 (1550°C)

NOTE

  • All tests carried out as per BIS 10570-1983.

  • Supply can be also made as per Customer requirement.