Monolithics

Low Cement Castables

LC Castable	50%	60%	70%	80%	90%	95%
Al₂O₃% Min	50	60	70	80	88	93
Fe₂O₃% Max	1.5	1.3	2	2	1	0.5
SiO₂% Max	46	36	26	20	6	1
CaO% Max	2	2	2	2	1.8	1.8
Max Grain Size (mm)	5	5	5	5	5	5
Max Application Temp (°C)	1500	1600	1650	1700	1750	1800
App Porosity % Max	22	20	18	18	16	16
Bulk Density (gms/cc) @110°C	2.3	2.5	2.6	2.7	2.9	2.95
C.C.S. (kg/cm²) @110°C min	650	700	800	850	900	900
C.C.S. (kg/cm²) @1100°C min	750	800	900	950	1000	1000
C.C.S. (kg/cm²) @1500°C min	900	950	1100	1100	1200	1300
PLC% @1100°C	(+/-)0.2	(+/-)0.2	(+/-)0.2	(+/-)0.2	(+/-)0.2	(+/-)0.2
PLC% @1500°C	(+/-)1.0	(+/-)0.3	(+/-)0.3	(+/-)0.5	(+/-)0.3	(+/-)0.3
PCE (°C)	1600	1700	1750	1760	1820	1880
Shelf Life (Month)	9	9	9	9	9	9

Conventional Castables

Castable	50%	60%	70%	80%	90%	95%
Al₂O₃% Min	50	58	68	80	88	93
Fe₂O₃% Max	2	1.3	2	2	1	0.5
SiO₂% Max	44	36	26	20	6	1
CaO% Max	5	5	5	5	5	5
Max Grain Size (mm)	5	5	5	5	5	5
Max Application Temp (°C)	1450	1600	1650	1680	1700	1800
Bulk Density (gms/cc) @110°C	2.1	2.2	2.4	2.6	2.7	2.9
C.C.S. (kg/cm²) @110°C min	350	400	450	500	500	700
C.C.S. (kg/cm²) @1100°C min	300	350	300	300	350	500
C.C.S. (kg/cm²) @1500°C min	-	450	450	500	550	750
PCE (°C)	1580	1700	1750	1760	1800	1880
Shelf Life (Month)	9	9	9	9	9	9
PLC% @1100°C	(+/-)0.2	(+/-)0.2	(+/-)0.2	(+/-)0.2	(+/-)0.2	(+/-)0.2
PLC% @1500°C	(+/-)1.0	(+/-)0.3	(+/-)0.3	(+/-)0.5	(+/-)0.3	(+/-)0.3

Insulating Castables

INSULYTE	4	7	9	11	13	11 LI	11 LI	15
Service Temperature (°C Max)	1000	1600	1200	1300	1350	1350	1400	1400
Grain Size MM (Max.)	6.0	6.0	6.0	6.0	6.0	6.0	6.0	6.0
Water Required for casting (%)	1000	1600	1200	1300	1350	1350	1400	1400

Chemical

Fe₂O₃ (Max.)

11.00

8.50

6.00

3.50

1.50

3.20

Physical

Bulk Density (gm/cc @110°C)

550

850

1000

1250

1450

1250

1450

1600

Mechanical

Cold Crushing Strength (kg/cm²) @110°C	4	12	15	35	50	45	80	130
C.C.S. (kg/cm²) @800°C	2	4	5	25	30	30	40	75
C.C.S. (kg/cm²) @1100°C	2	6	10	25	30	30	40	75
C.C.S. (kg/cm²) @1300°C	-	-	-	40	50	50	50	90

Thermal

Refractoriness Under Load (°C Min)	-	1337	1396	1398	1396	1396	1430	1430
Permanent Linear Change (%) @800°C	(+/-)0.40	(+/-)0.80	(+/-)0.60	-	-	-	-	-
PLC (%) @1100°C	(+/-)0.60	(+/-)1.20	-	(+/-)0.20	(+/-)0.20	(+/-)0.20	(+/-)0.20	(+/-)0.20
PLC (%) @1200°C	-	-	(+/-)1.00	-	-	-	-	-
PLC (%) @1300°C	-	-	-	(+/-)1.00	(+/-)0.80	(+/-)1.00	(+/-)1.00	-
PLC (%) @1350°C	-	-	-	-	-	-	(+/-)0.80	(+/-)1.00

NEUTRAL RAMMING MASS

An inert furnace lining material that offers high thermal stability and corrosion resistance.

Chemical Properties

Al₂O₃ %	84.0 – 88.0
Fe₂O₃ %	< 1.0
MgO + CaO %	< 0.1
SiO₂ %	< 0.5
LOI %	10.0 – 13.0
Binding System	CERAMIC

Physical Properties

Maximum Application Temp (°C)	1800
Bulk Density (gm/cc) Min	2.9
Application Practice	Ramming
Shelf Life	6–8 Months
Packing	50kg HDPE Bag in 1 MT Jumbo Bag

CASTING POWDER

Chemical Properties		Physical Properties
CaO % Max	25–27	Melting Temperature (°C)	1125–1185
Al₂O₃ %	7.5–10	Fluidity Point (°C)	1135–1205
SiO₂ %	28–31	Viscosity (Poise)	5–9

REFRACTORY MORTAR

This is a very special mortar with a very high melting point such that it sustains the temperature of molten steel. The mortar has a high sintering temperature which property gets developed on account of chrome oxide added into the composition.

Chemical Properties		Physical Properties
Al₂O₃ % Min	90	Melting Temperature (°C)	1800
Cr₂O₃ % Min	3	Grain Size (mm)	0–0.02
Fe₂O₃ % Max	1	Specific Gravity (gm/cc) Min	3.5

NOZZLE FILLING COMPOUD

Chemical Properties		Physical Properties
SiO₂ % Min	94	PCE (°C)	1700
Carbon % Min	1.5	Grain Size (mm)	0.5–1.5
		Loose Bulk Density (gm/cc)	1.5

Chrome-Based Nozzle filling Compound

Chemical / Physical Properties
Cr₂O₃ %	35–40
SiO₂ %	45–50
Carbon %	1–2
Grading (BSS Mesh)	-16 to +150

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