Y HEAT A In West Bengal
Specification:
-
Material: Refractory Castable
-
Type: 90% Alumina Dense Castable
-
Nature of Bond: Hydraulic
-
Installation: Vibration Casting
-
Max. Service Temperature: 1700°C
-
Maximum Grain Size: 5 mm
-
Water Required for Casting: 9.0% to 10.5%
Chemical Analysis (%)
|
Content |
Range |
Typical Value |
Test Procedure |
|---|---|---|---|
|
Al₂O₃ |
85–90 |
85.50 |
BIS 12107 Part 3 |
|
CaO |
4.00–4.70 |
5.50 |
ASTM C 573 |
|
Fe₂O₃ |
1.00–1.25 |
1.30 |
BIS 12107 Part 6 |
Physical Properties
|
Property |
Range |
Typical Value |
Test Procedure |
|---|---|---|---|
|
Dry Density (gm/cc) |
— |
2.78 |
BIS 10570 |
|
CCS (Kg/cm²) at 110°C / 24 hrs |
— |
650 |
BIS 10570 |
|
CCS (Kg/cm²) at 800°C / 3 hrs |
— |
450 |
BIS 10570 |
|
CCS (Kg/cm²) at 1100°C / 3 hrs |
— |
380 |
BIS 10570 |
|
CCS (Kg/cm²) at 1550°C / 3 hrs |
— |
600 |
BIS 10570 |
|
% Retained on maximum size |
— |
1 |
BIS 1528 Part 14 |
Thermal Properties
|
Property |
Range |
Typical Value |
Test Procedure |
|---|---|---|---|
|
Refractories, Orton / °C |
+36 / +1804 |
— |
BIS 1528 Part 1 |
|
PLC % at 800°C / 3 hrs |
— |
-0.12 |
BIS 10570 |
|
PLC % at 1100°C / 3 hrs |
— |
-0.18 |
BIS 10570 |
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