| REFRACTORY BRICKS, TILES & BLOCKS |
| Type |
Al2O3 % |
Fe2O3 % |
PCE OC |
App. Porosity % |
BD Min Gms/cc |
CCS Kg/Cm2 |
RUL (TA) ºC |
% PLC @ ºC/hrs Max. |
| KR30 |
30 |
3.00 |
29 |
26 |
1.90 |
250 |
1350 |
±0.8% @ 1350/2 hrs |
| KR40 |
40 |
3.00 |
32 |
25 |
2.00 |
300 |
1400 |
±0.8% @ 1400/2 hrs |
| KR60 |
60 |
3.50 |
35 |
24 |
2.50 |
450 |
1450 |
±2.0% @ 1500/2 hrs |
| KR70 |
70 |
3.50 |
36 |
23 |
2.60 |
450 |
1460 |
±2.5% @ 1500/2 hrs |
| NOTE:
Provided above are average test data, subject to reasonable variations
The above specifications relate to machine-pressed standard bricks only
The AP, BD and CCS values are arithmetic mean of five individual results
Low ferric bricks also available
Size tolerance: Variation from specified dimensions, covering both warpage and shrinkage shall be allowed to the extent of ±2% or ±2 mm, whichever is greater
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| REFRACTORY CLAY/MORTARS |
| Type |
Al2O3
% |
Fe2O3
% |
PCE |
Grain Size
mm. |
Setting |
Service Temp.
ºC |
| OC |
ºC |
| KR30CM |
30 |
2.50 |
30 |
1650 |
0 ~ 1.0 |
Heat |
1350 |
| KR40CM |
40 |
2.50 |
30 |
1650 |
0 ~ 1.0 |
Heat |
1400 |
| KR60CM |
60 |
4.00 |
33 |
1745 |
0 ~ 0.5 |
Heat |
1550 |
| KR70CM |
70 |
4.00 |
34 |
1760 |
0 ~ 0.5 |
Heat |
1600 |
| NOTE:
Provided above are average test data, subject to reasonable variations
Low ferric mortars also available
Grading: 95% passing through the maximum indicated grain size
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