SPECIFICATIONS OF HIGH PURITY DENSE CASTABLES
Insulating Castables
Mortars
Low Cement Castables
High Alumina Cement
Fire Clay Bricks and High Alumina Bricks
High Alumina Bricks (Special)
Specification Sheet For Basic Refractories
Specifaction Sheet For Basic Refractories & Ramming mass
Insulating Bricks
Acid Resistance Bricks, Tiles & Mortar
Acidic Silica Ramming Mass

SPECIFICATIONS OF HIGH PURITY DENSE CASTABLES

PARTICULARS ABLECAST A ABLECAST K ABLECAST C ABLECRETE SUPER ABLECRERE NORMAL ABLECAST 94 ABLECAST 97 ABLECAST-50 (FINE)

GENERAL PROPERTIES:

Service Temp. °C (Max) 1750 1600 1500 1450 1400 1800 1850 1500 Grain Size mm (Max) 5.0 5.0 5.0 5.0 5.0 5.0 5.0 0.5 For Casting (%) 7.5-8.5 9.5-10.5 9.5-10.5 10-11 10.5-11.5 8.5-9.5 8.5-9.5 8.5-9.5

CHEMICAL PROPERTIES:

Al2O3 (Min). 90.00 60.00 50.00 70.00 45.00 94.00 96.00 50.00 Fe2O3 (Min). 0.8 1.00 1.30 5.00 4.00 0.30 0.30 4.00

PHYSICAL PROPETIES:

Bulk Density (gm/cc) (Dried at 1100C for 24hrs.) (Min) 2.75 2.20 2.1 2.50 2.10 2.8 2.8 - Cold Crushing Strength (Kg/cm2)1100C 600 350 350 350 250 600 400 -

THERMAL PROPERTIES:

REFRACTORINESS Under Load 0C(Min) 1820 1683 1665 1683 1564 1835 1835 1835 Permanent Linear Change (%) (Temp.x3 hrs.) At 15500C (Max) ±1.00 (11500C) ±1.50 (15500C) ±1.00 (15500C) ±1.00 (15500C) ±1.00 (11500C) ±0.50 (15500C) ±0.80 (15500C) - (15500C)

NOTE: We Manufacture and Supply Any Related Product as Per Customers Specification.

Insulating Castables

PARTICULARS ABLELYTE 4 ABLELYTE 7 ABLELYTE 9 ABLELYTE 11 ABLELYTE 13 ABLELYTE 15 ABLELYTE 11LI ABLELYTE 13LI ABLELYTE 15LI

GENERAL PROPERTIES:

Service Temp.°C (Max) 1000 1100 1200 1300 1350 1350 1350 1400   Grain Size mm (Max) 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 Water Required for Casting (%) 80-100 60-65 38-43 29-34 26-31 23-28 30-35 27-32 23-28

CHEMICAL PROPERTIES:

Fe2O3 (Max) 11.00 8.50 6.00 3.50 3.50 3.20 1.50 1.50 1.50

PHYSICAL PROPERTIES:

Bulk Density (gm/cc)(Dried at 110°C for 24 hrs.)(Min) 550 850 1000 1250 1450 1600 1250 1450 1600 Cold Crushing Strenght (kg/cm2) 110°C 4 12 15 35 50 90 45 80 130 800°C 2 4 5 25 30 60 30 40 75 1100°C - 6 10 25 30 60 30 40 75 1300°C - - - 40 50 70 50 50 90

THERMAL PROPERTIES:

REFRADTORINESS Under Load °C (Min) - 1337 1398 1398 1398 1430 1398 1430 1430 Permanent Linear Change (%)                   800°C(temp.X3 hrs.)(Max) 0.40 0.80 0.60 - - - - - - 1100°C 0.60 1.20 - 0.20 0.20 0.20 0.20 0.20 0.20 1200°C - - 1.00 - - - - - - 1300°C - - - 1.00 0.80 1.00 1.00 - - 1350°C - - - - - - - 0.80 1.00

NOTE:We Can Manufacture And Supply Any Related Product As Per Customers Specification.

MORTARS

PERTICULARS AI2O3 (%) FE2O3 (%) PCE Orton Cone (°C) Service Temp (°C) Application Area MRL-Mortar-IS-6 22.0 2.5 20/1564 1350 For laying of 30% AI2O3 bricks MRL-Mortar-Special 26.0 2.8 26/1621 1400 For laying of 35% AI2O3 bricks MRL-Mortar-40 38.0 2.8 31/1683 1450 For laying of 40% AI2O3 bricks MRL-Mortar-45 42.0 2.8 311/2/1699 1500 For laying of 45% AI2O3 bricks MRL-Mortar-50 48.0 3.0 32/1717 1500 For laying of 50% AI2O3 bricks MRL-Mortar-60 55.0 3.5 33/1743 1550 For laying of 60% AI2O3 bricks MRL-Mortar-70 65.0 3.5 34/1763 1600 For laying of 70% AI2O3 bricks MRL-Mortar-70L 68.0 3.0 35/1783 1650 For laying of 70% AI2O3 bricks MRL-Mortar-80 75.0 2.5 36/1804 1700 For laying of 80% AI2O3 bricks MRL-Mortar-85 80.0 2.0 37/1824 1750 For laying of 85% AI2O3 bricks MRL-Mortar-40S 40.0 2.2 36/1717 1500 For laying of 40% AI2O3 bricks MRL-Mortar-45S 45.0 2.2 321/2/1724 1520 For laying of 45% AI2O3 bricks MRL-Mortar-50S 50.0 2.2 33/1743 1550 For laying of 50% AI2O3 bricks MRL-Mortar-55S 55.0 2.2 331/2/1724 1580 For laying of 55% AI2O3 bricks MRL-Mortar-60S 60.0 21.2 34/1763 1620 For laying of 60% AI2O3 bricks MRL-Mortar-42D 42.0 1.8 32/1717 1550 For laying of 42% AI2O3 bricks MRL-Mortar-30D 30.0 1.8 31/1717 1450 For laying of 30% AI2O3 bricks MRL-SILL 50-52 1.5 34/35 1450 Ceramic MRL-SILL(SPL) 54-56 1.5 35/36 1500 Ceramic

Grain Size : 0-0.5 mm Workability : Good

Low Cement Castables

PARTICULARS MRL LC 45 MRL LC 60 MRL LC 60A MRL LC 70 MRL LC 80 MRL LC 90 MRL LC 95

GENERAL PROPERTIES:

Service Temp °C (Max) 1500 1600 1600 1600 1700 1700 1800 Grain Size mm (Max) 6.0 6.0 10.0 6.0 6.0 6.0 6.0 Water Required for Casting (%) 4.8-5.5 4.7-5.4 5.0-5.5 4.7-5.4 4.5-5.2 4.0-4.8 4.2-5.0

CHEMICAL PROPERTIES:

AI2O3 (Min) 45.00 60.00 60.00 70.00 80.00 90.00 94.00 FE2O3 (Max) 1.00 1.50 0.80 1.50 1.80 1.00 0.30

PHYSICAL PROPERTIES:

Bulk Density (gm/cc) (Dried at 110°C for 24 hrs. (Min)) 2.3 2.6 2.6 2.7 2.9 3.1 3.0 Cold Crushing Strength (kg/cm2) 110°C 700 750 700 750 800 950 1000 800°C 800 800 - 800 900 1000 1050 1100°C 900 900 - 900 1000 1100 1100 1500°C 1000 1000 900 1200 1200 1250 1200

THERMAL PROPERTIES:

REFRACTORINESS Load °C (Min) 1717 1804 1820 1804 1820 1820 1835 Permananet Linear Change (%) 800°C ±0.20 ±0.20 - ±0.20 ±0.20 ±0.20 ±0.20 1100°C ±0.30 ±0.30 - ±0.30 ±0.30 ±0.30 ±0.30 1500°C ±1.00 ±1.00 ±0.85 ±1.00 ±0.80 ±0.80 ±0.80

NOTE: Can Manufacture And Supply Any Related Product As Per Customers Specification.

HIGH ALUMINA CEMENT

PERTICULARS Momocem-50 Momocem-70 Momocem-75 AI2O3 Min 45.0 68.0 72.0 Fe2O3 Max 4.5 0.30 0.25 CaO% Max 34.0 30.0 26.0 SiO2% Max 5.5 1.0 0.5 PHYSICAL       Setting time (in minutes)       Initial, min 50.0 30.0 40.0 Final, max 400.0 400.0 400. CCS (kg/cm2)       After 1 day 350.0 450.0 400.0 After 1 day cured + 1100C/24hrs - 650.0 600.0 After 3 days 450.0 - - Refractoriness Under Load (orton/°C) Min 13/1349 20/1564 31/1683 Application area For Manufacturing of general purpose Castable. For Manufacturing of high purity and high density castable. For Manufacturing of high purity and high density castable.

FIRE CLAY BRICKS AND HIGH ALUMINA BRICKS

PERTICULARS AI2O3 % Min. Fe2O3 % Max. P.C.E. (O.C) Min. APPARENT POROSITY (%) Max. CCS (kg/cm2) No RUL (Ta °C) Max. BULK DENSITY (gntx) Me. PLC (%) Max. APPLICATION AREA MRL IS 6 30 2.5 29 26 200 1300 2.00 ±1.0 at 1300°C/2hrs For Chimney flue, Boiler & Sugar Industry. MRL Special 34 2.5 30 25 250 1350 2.05 ±1.0 at 1350°C/2hrs For Chimney flue, Boiler, Cupola & Steel Foundry. MRL 40 40 2.8 32 24 300 1400 2.20 ±1.0 at 1400°C/2hrs For Cement Preheater, Cyclone, Sillcate furnace & other moderate Heat duty Application. MRL 45 45 30. 32 24 350 1400 2.20 ±1.0 at 1400°C/2hrs For Cement Preheater, Cyclone, Sillcate furnace & other moderate Heat duty Application. MRL 40S 40 2.0 33 22 300 1420 2.20 ±0.75 at 1450°C/2hrs Special purpose Low Iron high duty bricks for Cement Preheater, Cyclone. MRL 45S 45 2.0 33 21 350 1440 2.25 ±0.8 at 1450 °C/2hrs Special purpose Low Iron high duty bricks for Cement Preheater, Cyclone, Chemical plant & blast furnace. MRL 42D 42 1.5 34 18 500 1470 2.30 ±0.5 at 1450 °C/2hrs Special purpose Low Iron high duty bricks for Cement Preheater, Cyclone, Chemical plant & Sulphur furnace. MRL 50 50 3.0 33 24 400 1400 2.30 ±1.0 at 1450°C/2hrs Low, porosity dense bricks for Abode backing furnace & Blast furnace. MRL 55 55 3.5 33 24 400 1410 2.45 ±1.5 at 1450°C/2hrs For Cement kiln preheating zone & Copper melting furnace. MRL 60 60 3.5 35 24 450 1450 2.50 ±2.0 at 1450°C/2hrs Calcination zone of Cement rotary kiln & Copper melting furnace. MRL 70 70 3.5 36 23 550 1460 2.65 ±2.5 at 1500°C/2hrs Reheating furnace wall. Burning zone of Cement rotary kiln & Ladle backup.

High Alumina Bricks (Special)

PERTICULARS AI2O3 % Min. Fe2O3 % Max. P.C.E. (O.C) Min. APPARENT POROSITY (%) Max. CCS (kg/cm2) No RUL (Ta °C) Max. BULK DENSITY (gntx) Me. PLC (%) Max. APPLICATION AREA MRL 80 80 1.8 37 20 600 1520 2.75 ±0.5 at 1500 °C/2hrs EAF Rest, Ladle Iining & other High heat duty Special application. MRL 85 85 1.5 35 19 700 1550 2.80 ±0.5 at 1500 °C/2hrs Special type of high temperature & High abrasion application. MRL 80 P 80 1.8 37 17 750 1500 2.80 ±0.8 at 1500 °C/2hrs Phosphate bonded bricks for reheating furnace bottom and other special applications where abrasion is high. MRL 85 P 85 1.5 38 17 900 1530 2.85 ±0.8 at 1500 °C/2hrs Phosphate bonded bricks for Aliminium melting, Holding furance& Reheating furnace bottom. MRL 88 RFB 88 1.8 38 15 1000 1580 2.90 ±0.5 at 1500 °C/2hrs An excellent material for Coal fired reheating furnace bottom MRL 50 S 50 2.0 34 21 400 1450 2.30 ±1.0 at 1500 °C/2hrs Dense bricks for Petroleum, Fertilizer & Aluminium Industries. MRL 55 S 55 2.0 35 22 450 1460 2.35 ±1.0 at 1500 °C/2hrs Dense volume stable bricks for Reating furnace reaf & Petroleum plants. MRL Sill 58 1.5 36 22 400 1520 2.35 ±0.5 at 1500 °C/2hrs For Glass industries & Frit furnace, applications. MRL 60 S 60 2.0 36 22 450 1500 2.40 ±0.8 at 1500 °C/2hrs For Cs2 furnace, Sulphur furnace, Alkali resistant bricks for Cement rotry kiln. MRL 62 D 62 1.5 36 16 600 1520 2.55 ±0.5 at 1500 °C/2hrs Low porosity dense bricks for Blast furnace, Glass rank furnace & Frit furnace. MRL 70 S 70 3.0 36 23 500 1460 2.65 ±2.0 at 1500 °C/2hrs For Burning zone of Cement rotry kiln. MRL 70 L 70 2.5 36 23 500 1480 2.60 ±2.0 at 1500 °C/2hrs For Burning zone of Cement rotry kiln. MRL 70 LI 70 1.5 37 22 600 1520 2.55 ±0.5 at 1500 °C/2hrs Lime kiln & Burning zone of Cement rotry kiln.

NOTE: (1) The above data relates to machine pressed bricks only.            (2) Size tolerance ± 1.5% or ±2mm whichever is greater.

Specification Sheet For Basic Refractories

PARTICULARS MgO % (Min.) Cr2O3 % (Max.) SiO2 % (Max.) A.P. % (Max.) B.D. gm/cc (Min) C.C.S. kg/cm2 (Min) R.U.L. Ta°C (Min) APPLICATION AREA

MAGNESITE BRICKS:

MRL-MGB-87 85 - 6.5 22 - 350 1550 Used in Open hearth furnace, Electric arc Steel melting furnace, Hot metal mixer, Permanent lining of LD converter, Copper refining furnace and General applications. MRL-MGB-87 87 - 5.5 22 - 350 1600 MRL-MGB-91 91 - - 23 - 400 1500 Used in Electric arc steel melting furnace, B.O.F. MRL-MGB-97 97 - 0.5 18 2.9 450 1700 Suitable for Glass & Chemical Industries.

MAGNESITE CHROME BRICKS:

MRL-MCB-1 60 12 - 24 - 250 1550 Open hearth furnace, B.O.F., Secondary steel refining, Rotary kiln for Cement and Dolomite Calcination & General application. MRL-MCB-2 72 6 - 23 - 250 1550 MRL-MCB-3 63 11 - 22 - 300 1580

MAGNESITE CHROME BRICKS:

MRL-CHMB-1 35 22 - 25 - 200 1580 Open hearth furnace front & back walls, Gus ports & uptakes etc. MRL-CHMB-2 35 18 - 24 - 250 1500 Rotary kiln, Open hearth furnace & Electric arc furnace.

MAGNESITE CHROME BRICKS:

MRL-CH-D - 40 - 20 - 500 - Used in Hearth of reheating furnace, Soaking pits, Rolling Mills & where high abrasion resistance at hearth is required.

MAGNESITE CARBON BRICKS:

PERTICULARS MgO% Calcined Basis C% Residual Carbon A.P.% (Max) B.D. gm/cc (Min) C.C.S. kg/cm2 (Min) M.O.R.kg/cm2 At room temp. APPLICATION AREA MRL-MGCRB 97 8-11 3-6 2.95 500 125 Non walling characteristic LF, VD, VAD, Slag Zone, EAF, Hot Spot, L.D. Converter wear lining, VOD, VAD Ladle etc.

Specifaction Sheet For Basic Refractories & Ramming mass

PARTICULARS MgO % (Min.) Fe2O3 % Max. SiO2 % (Max.) Grading (mm) Setting Sintering Temp °C Service Temp °C APPLICATION AREA

BASIC MORTARS:

MRL-MGMOT 84 - - 0-0.5 Ceramic 1600 - Mortar for laying magnesite bricks. MRL-MCMOT 50 15 - 0-0.5 Ceramic 1650 - Mortar for laying magnesite chromite bricks. MRL-MCMOT 20 30 - 0-0.5 Ceramic 1650 - Mortar for laying chrome magnesite bricks. MRL-CHRMOT - 40 - 0-0.5 Ceramic 1650 - Mortar for laying chromite bricks & as a neutral layers for silica bricks.

BASIC RAMMING MASS:

PERTICULARS PCE (OC) Min. MgO % (Min) C2O3 % (Max) CaO % Max. C.C.S (kg/cm2) Grading Service Temp. °C APPLICATION AREA At 110°C At 1500°C MRL-CAST-MCH 38 30 20 8 450 250 0.5 1500 Mag-Chrome castables used in reheating furnace hearth & for general purposes. MRL-CAST-CHM 38 20 25 8 200 250 0.5 1500 Chrome-Mag castables used in reheating furnace boiler & aluminum furnace (Below metal line). MRL-CAST-CHM 38 8 35 8 450 250 0.5 1500 Chrome base castables resistant to chemical, Attach of basic floxes slag and used in Paper, Non-ferrous & Petrochemical industries.

Insulating Bricks

PERTICULARS MRL CFI MRL HFI MRL HFK

CHEMICAL:

Si O2 (%) 69.7 61.5 54.1 AI2O3 (%) 24.3 33.2 41.5 Fe2O3 (%) 2.2 1.9 1.8 TiO2 (%) 2.0 2.5 1.9 CaO+MgO(%) 0.5 0.3 0.2 Others(%) 0.9 0.6 0.5 Max. Service Temp. (°C) 0.9 0.6 0.5 Nature of Bond 1000 1350 1400 Raw Material Base Fire Clay & Mica Fire Clay & Kyanite Fire Clay & Kyanite

PHYSICAL:

Reversible Thermal Expansion (% at 1000°C)   0.50 0.50 BD (gm/cm3) Max 0.90 1.05 1.0 AP (%) Min 60 55 55 CCS (kg/cm2) Min 10 25 25 PCE (orton) Min 20 29 30 PLC (%) Max ±1.5 at 1000 °C/S hr ±1.5 at 1350 °C/S hr ±1.5 at 1400 °C/S hr Thermal Conductivity (Kca/m/hr/°C) 300°C   0.24 0.26 500°C   0.26 0.29 800°C   0.28 0.31 Weigth of Std Brick (approx.) (Kg.) Size : 230X114X76mm 1.70 2.10 2.00 Application area Backup lining for Boiler & Reheating Furnace. Backup lining for Glass tank furnace& Blast furnace. Backup lining for Glass tank furnace& Blast furnace.

Acid Resistance Bricks, Tiles & Mortar

BRICKS & TILES:

PARTICULARS MRL - AR (230X115X75MM) MRL - AR (230X115X38MM) MRL - AR (230X100X20MM)

PHYSICAL PROPERTIES:

Water Absorption (%) 2.0 2.0 2.0 Cold Crushing Strength (N/mm2) 70 70 75 Flexural Strength (N/mm2) 10 10 20 Acid Resistance (%loss in weight) 2.5 2.5 1.5

CHEMICAL PROPERTIES:

Si O3 (%) 68.20 68.20 67.90 AI2O3 (%) 24.00 24.00 24.20 Fe2O3 (%) 1.80 1.80 1.90 TiO2 (%) 2.10 2.10 2.90 CaO + MgO(%) 0.50 0.50 0.60 Na2O + K2O (%) 3.40 3.40 3.60 Weight of Brick (Kg.) 4.35 4.35 0.90   For Thermal Power Plant Chimmey & Acid Storage Tank & Floor. For Acide Storage Tank, Floor & Acid Digester. For Battery Boom, Acid Handling Floor & DM Plant.

MORTATS:

PERTICULARS Sodium Silicate Base Mortar Potassium Silicate base Mortar Working time (Min at 270 ± 2°C)(minutes) 15 20 Flextural strength (Min. Kg/cm2)(at 7 days) 35 40 Compressive strength (Min. Kg/cm2)(at 7 days) 100 150 Bond Strength (Min. Kg/cm2) 5 5 Absorption of tolerence (Max. Percent by weight) 18 18 Application area For Laying of Acid Resistant Bricks & Tiles. For Laying of Acid Resistant Bricks & Tiles.

Acidic Silica Ramming Mass

PERTICULARS Acidic Ramming Mass Super Semi Snow White SL 165/167 Acidic Ramming Mass Super Snow White SL 165/167 Si O3 99.230% 99.530% AI2O3 Trace Trace Fe2O3 00.020% 00.020% CaO Trace Trace MgO Nill Nill LOl 00.540% 00.240% Na2O Nill Nill K2O Nill Nill

NOTE: Acidic ramming mass is available without boric acid. Aloso with boric acid premix:- 1%, 1.1%, 1.2%, 1.3%, 1.4%, 1.5%, 1.8% and 2% respectively as per your requirement and specification.