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Burnt Basic Refractories

We provide burnt basic refractories, which are made from dead-burned magnesite and chrome ore mixture. Our range of magnesite refractories and chrome refractories includes both chrome ore predominance and magnesia predominance refractories. Burned basic refractories are characterized by relatively low strength and can be used for higher pressure and temperature applications. Available in different specifications, we also provide burnt basic refractories and refractories bricks in customized specifications.

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TECHNICAL SPECIFICATION

BRAND MgO % Cr 2 O 3 % SiO 2 % Fe 2 O 3 % CaO % A.P. % B.D. Gm/cc C.C.S. RUL at 0 C
- min min max max max max max Kg/cm 2 min min
DENSE MAGNESITE CHROME – FOR GENERAL APPLICATION
IM-IMRD-I 60 15 6.5 - - 22 2.9 250 1600
IM-IMRD-II 65 12 5 - - 20 2.9 300 1620
IM-IMRD-III 68 10 3 - - 20 2.95 350 1650
DIRECT BONDED MAGNESITE CHROME FOR VOD, AOD IN STEEL AND CEMENT INDUSTRIES
IM-DBMC-I 68 12 3 - - 18 2.95 350 1650
IM-DBMC-II 70 10 2.5 - - 18 3 400 1700
IM-DBMC-III 75 8 2 4 - 18 3.05 400 1700
IM-DBMC-IV 60 20 1 - 0.8 16-18 3.05-3.15 - -
IM-DBMC-SPL 65 18 1 - - 18 3.1 400 1700
IM-DBCM-SPL 50 28 1 - 0.6 17 3.15 400 1700

DIRECT BONDED BRICKS FOR COPPER INDUSTRIES
BRAND MgO % Cr 2 O 3 % SiO 2 % CaO % AP % B.D. C.C.S. Kg/Cm 2 RUL PLC at 1600 0 C
- min min max max   Gm/Cc min at 0 C 2 hrs.
IM-DBMC 5028/10 50 28 1 1 18-20 25 2.85 200 1550
IM-DBMC 6020/10 60 20 1 1 16-18 20 2.9 250 1600
IM-DBMC 5028/20 60 20 2 1 18-20 16 2.85 250 1550
IM-DBMC 6518/10 65 18 1 1 16-18 20 2.95 300 1650
MAGNESITE CHROME BRICKS FOR GENERAL APPLICATION AND HEARTH BOTTOM
BRAND MgO % Cr 2 O 3 % SiO 2 % Fe 2 O 3 % CaO % A.P. % B.D. C.C.S. RUL at 0 C
- min min max max max max Gm/cc max Kg/cm 2 min min
IM-CMN 35 18 - - - 25 2.85 200 1550
IM-CMN (R) 30 40   - - 21 2.9 400 1550
MAGNESITE BRICKS FOR EAF MIXER, HOT METAL LADLE & GENERAL APPLICATION
IM-MGN 85 - 6.5 - 2.5 22 2.85 350 1550
IM-MGD-I 89 - 5.5 - 2.5 20 2.9 500 1580
IM-MGD-II 91 - 4.5 - 2 18 2.9 600 1600
IM-MGD-III 92 - 4 1.5 2 18 2.95 600 1620
LOW IRON MAGNESITE BRICKS FOR SPECIAL APPLICATION
IM-MGIS-I 95 - 2 1 1.8 18 2.95 600 1650
IM-MGIS-II 96 - 1 0.8 1.6 18 2.95 600 1700
IM-MGIS-III 97 - 0.6 0.6 1.5 18 2.95 600 1700
IM-MGIS-IV 97.5 - 0.4 0.4 1.5 17 2.95 600 1700
IM-SPL 98 - 0.4 0.15 1.5 16 3 600 1700 +

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