Fire Clay
Fireclays were originally valued as refractory raw material because of their relatively high alumina and low alkalis contents. Fire Clay is manufactured in different grades such as Moderate Heat Duty, High Heat Duty, Super Heat Duty and High alumina clay upto 60% alumina.
These clays are used in wide range of applications for laying, bonding and jointing masonry Tiles/Bricks/Shapes in construction of furnaces and other refractory construction and lining work and applied with water or silicate solution.
Specification
| Product & Brand Name |
AL2O3 % Min. |
FE2O3 % Min. |
A.P. % Min. |
B.D. (Gm/ccs) Min. |
C.C.S.(Kgf/Cm2) Min. |
P.C.E. (O° C) Min. |
R.U.L. (Ta°C) Min. |
R.U.L. (Ta°C) Min. |
| KRPL-30 (IS:6) |
30 |
2.20 |
25 |
1.90 |
250 |
31.00 |
1350 |
+ 1.5 at 1350°C/2 Hrs. |
| KRPL-37 |
37 |
2.50 |
23 |
2.00 |
300 |
31.50 |
1370 |
+ 1.5 at 1400°C/2 Hrs. |
| KRPL-40 (IS:8) |
40 |
2.50 |
23 |
2.10 |
350 |
32.00 |
1400 |
+ 1.0 at 1450°C/2 Hrs. |
| KRPL-45 |
45 |
2.60 |
21 |
2.20 |
370 |
32.00 |
1420 |
+ 1.5 at 1450°C/2 Hrs. |
