High Alumina Fire Bricks

Premium quality of high alumina fire bricks is now available at the most affordable rates at Mahavir Refratech. These high alumina products are available in dense and Sillimanite bricks format, as well. The aluminum and other compositions for high tensile fire bricks are available with custom solution as on requirement. Give us a call/email us to receive proficient information on our products, right now.
Fire Clay Bricks & High Alumina Bricks
Product & Brand Name AL2O3 %Min Fe2O3 %Max. A. P. %Min B.D. (Gm/ccs) Min CCS. (Kgf/Cm2) Min P.C.E. (O0C) Min R.U.L. (Ta°C) Min P.L.C % Max.
MR-30 (IS:6) 30 2.20 25 1.90 250 31.00 1350 ±1.5 at 1350°C/2 Hrs.
MR-37 (HHD) 37 2.50 23 2.00 300 31.50 1370 ±1.5 at 1400°C/2 Hrs.
MR-40 (IS:8) 40 2.50 23 -2.10 350 32.00 1400 ±1.0 at 1450°C/2 Hrs.
MR-45 45 2.60 21 2.20 370 32.00 1420 ±1.5 at 1450°C/2 Hrs.
MR-50 50 2.75 23 2.30 ” 400 32.50 1430 ±1.5 at 1450°C/2 Hrs.
MR-55 55 2.90 23 2.40 400 – 33.00 1440 ±1.5 at 1450°C/2 Hrs.
MR-60 60 3.00 23 2.55 430 34.00 1450 +1.5 at 1500°C/2 Hrs.
MR-65 65 3.00 23 2.60 450 34.50 1460 +2.0 at 1500°C/2 Hrs.
MR-70 IT 3.20 23 2.65 500 35.00 1470 +2.0 at 1500°C/2 Hrs.
MR-75 H 75 3.40 22 2.70 600 36.00 1480 +2.5 at 1500°C/2Hrs.
MR-80 80 3.50 21 2.75 600 37.00 1500 +2.5 at 1550°C/2Hrs.
High Alumina Fire Bricks, Clay Brick, Sillimanite & Dense Bricks
High Alumina, Sillimanite & Dense Bricks
Product & Brand Name AL2O3 %Min Fe2O3 %Max. A.P. %Min B.D.(Gm/ccs) CCS. (Kgf/Cim) Min P.C.E.(O0C) Min R.U.L. (Ta°C) Min P.L.C % Max.
MR-42D 42 2.00 20 2.20 400 32.00 1450 +0.5 at 1450°C/2 Hrs.
MR-45 D 45 1.50 20 2.25 400 33.00 1460 ±0.5 at 1480°C/2 Hrs.
MR-50SPL 50 1.50 18 2.30 450 33.50 1480 ±0.5 at 1480°C/2Hrs.
MR-60 LF 60 2.00 20 2.50 500 34.00 1460 ±2.0 at 1500°C/2Hrs.
MR-70 LF 70 2.50 20 2.65 600 36.00 1480 +2.0 at 1500°C/2Hrs.
MR-75 SPL 75 2.00 20 2.75 650 37.00 1500 +2.0 at 1500°C/2Hrs.
MR-80 SPL 80 1.80 20 2.80 650 +37.00 1520 +2.0 at 1500°C/2Hrs.
MR-45 SILLI. 42 1.50 22 2.20 430 33.00 1450 ±1.0 at 1500°C/2 Hrs.
MR-56 SILLI. 56 50 22 2.30 450 34.00 1480 ±0.8 at 1500°C/2 Hrs.
MR-58 SILLI. 58 1.30 20 2.40 I 500 35.00 1500 ±0.5 at 1500°C/2Hrs.
MR-62 D 62 1.50 18 2.55 600 36.00 1550 ±0.5 at 1550°C/2 Hrs.