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Insulation Bricks and Refractory Bricks

BMA group is a leading manufacturer and exporter of insulation bricks, refractory bricks, special insulation bricks, insulation castables and insulation mortars.


Insulation Bricks
Mark Al2O3 % Min Fe2O3 % Max. Service Temperature °C(Max.) A.P. Min. B.D. gm/cc. Max. C.C.S. Orton Min. P.C.E. Orton Min. Thermal Conductivity (600°C) K.Cal/m/ Hr./ °C Max.
NR-CFI 30 2 1200 65 0.8 10 30 0.30
NR-HFI 30 2 1300 60 0.9 15 30 0.35
NR-LW 30 2 1200 55 1.1 30 30 0.40
NR-LWS 30 2 1200 50 1.3 70 30 0.50
NR-HFS 35 2 1300 60 1.1 30 31 0.40
NR-HFK 40 2 1400 55 1.1 40 32 0.45
NR- HF 50 50 2 1450 60 1.1 20 33 0.30
NR-HF 60 60 1.5 1500 60 1.1 20 35 0.35
NR-HF 60 S 60 1.5 1500 45 1.6 150 35 0.50
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Special Insulation Bricks

Properties NR P-23 NR P-25 NR P-28
Service temp °C (Max.) 1300 1400 1500
Bulk Density gm/cc.(Max) 0.55 0.70 1.00
C.C.S.Kg/cm²(Min) 10 15 25
P.L.C. after 24 hrs. % (Max) ± 0.5 at 1250°C ± 0.5 at 1350°C ± 0.5 at 1450°C
T.C. w/mk (Max) at 400°C 600°C 800°C 1000°C 0.15 0.18 0.20 0.22 0.20 0.22 0.25 0.30 0.35 0.40 0.45 0.48
Al2O3 % (Min) 40 50 60
Fe2 O3 % (Max) 0.60 0.70 1.00
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Size Tolerance :
±1% or ±1mm. whichever is greater for standard bricks.
±1.5% or ± 2 mm. whichever is greater for other shapes.

Insulation Castables & Mortars

Mark Al2O3 % Min Fe2O3 % Max. Service Temperature°C (Max.) P.C.E. Orton Min. B.D. After casting & Drying at 110°C gm/cc. Max. Grain Size mm C.C.S. Kg/Cm² After Casting & Drying at 110°C Type of Setting
NR INS CAST-7 33 8 1000 - 0.8 0-5 10-15 -
NR INS CAST-9 35 6 1100 - 1.0 0-5 14-16 -
NR INS CAST-11 30 5 1300 - 1.2 0-5 25-35 -
NR INS CAST-13 30 5 1350 - 1.4 0-5 40-60 -
NR INS CAST-15 33 4 1350 - 1.2 0-5 50-75 -
NR INS CAST-11LI 38 2 1350 - 1.4 0-5 35-45 -
NR INS CAST-13LI 38 2 1350 - 1.6 0-5 50-60 -
NR INS CAST-15LI 40 2 1350 - - 0-5 80-90 -
NR INS-30 - 2 1300 29 - 0-0.5 - Ceramic setting
NR INS-40 - 2 1400 32 - 0-0.5 - Ceramic setting
NRS INS SET-30 - - 1300 - - 0-0.5 - Air setting
NRS INS SET-40 - - 1450 - - 0-0.5 - Air setting
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Note : The figure shown above are average properties achieved.

REFRACTORY PRODUCTS
Alumina Silicate Bricks : MHD & HHD Bricks  |  Super Heat Duty Bricks  |  High Alumina Bricks  |  High Alumina (Bauxite) Bricks
Insulation Bricks : Special Insulation Bricks  |  Insulation Castables & Mortars
Monolithics : High Alumina Mortars  |  High Alumina Castables  |  High Alumina Ramming Masses

FERRO ALLOYS
High Carbon Ferro Manganese  |  Medium Carbon Ferro Manganese  |  Low Carbon Ferro Manganese  |  High Carbon Silico Manganese  |  Medium Carbon Silico Manganese  |  Low Carbon Silico Manganese  |  Ferro Silicon  |  Ferro Chrome

COAL & COKE
Hard Coke  |  Metallurgical Coke

STEEL PRODUCTS
Sponge Iron  |  Pig Iron  |  MS Billet  |  MS Bars and Rods (Thermex TMT and Thermex QST)

EXPORT AND IMPORT
MS Bars and Rods (Thermex TMT and Thermex QST)  |  MS Billet  |  MS Scrap  |  Pig Iron  |   Sponge Iron  |   Low Ash Coking Coal   |   Low Ash Metallurgical Coke


FINALCIAL SERVICES
Wealth Management Services   |  Investment Advisory Services   |  Securities Broking Equities and Derivatives   |  Distribution of Financial Products   |   Marketing of Equity and Mutual Fund IPO  |   Commodities Broking


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