|
Special Refractories
QUALITY |
CHEMICAL
ANALYSIS |
THERMAL
PROPERTIES |
ALKALI
RESISTANCE |
PHYSICAL
PROPERTIES |
AREA
OF APPLICATION |
| |
Al2O3
Min
(%) |
Fe2O3
Max
(%) |
PCE
ORTON
CONE/
°c (min) |
RUL
ta°c
(min) |
PLC
max
(%)/°C |
THERMAL
SHOCK
RESISTANCE |
AP
(%)
(MAX) |
BD
g/cc
(AVG) |
CCS
kg/cm2
(MIN) |
AADI
LITE |
20 |
2.5 |
- |
1300 |
- |
- |
GOOD |
30
(MIN) |
1.75
(MAX) |
200 |
For
calcination zone of cement rotary kilns and Pre-heatres. |
LF
60-20
AR |
60 |
2.0 |
36/37
1804/1820 |
1450 |
05./1400 |
+80 |
GOOD |
18 |
2.55 |
500 |
Pre-burning
zone of cement rotary kilns with moderate alkali attack. |
AADI
SENT -A |
70 |
2.0 |
38/1850 |
1520 |
2.0/1500 |
+100 |
EXCELLENT |
15 |
2.75 |
600 |
For
burning zone & upper transition zone of high capacity kilns. |
AADI
SENT -B |
70 |
2.5 |
37/1820 |
1500 |
2.5/1500 |
+100 |
GOOD |
18 |
2.65 |
600 |
For
burning zone & upper transition zone of medium capacity
kilns. |
HARS
70-30DP |
70 |
3.0 |
36/1804 |
1470 |
2.0/1500 |
+80 |
GOOD |
18 |
2.65 |
600 |
For
post Burning zone of cement rotary kilns and ducts. |
Note:
BY IS : 1528 PART-III, SMALL PRISM METHOD.
- THE ABOVE QUALITIES
OF ALKALI RESISTANT TYPE.
- THERMAL CONDUCTIVITY OF ALITE QYALITY AT 1000 °C IS 0.6 Kcal / m / hr°C.
- SIZE TOLERANCE : +/ -1.5 % OR +/ -2mm WHICH EVER IS GREATER.
- ABOVE SPECIFIED VALUES RELATE TO MACHINE PRESSED STANDARD BRICKS..
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