Product Data:
Insulating Bricks
| INSULATING BRICKS (IS-2042) |
| Properties |
Grade A
[KRI-A] |
Grade B
[KRI-B] |
Grade C
[KRI-C] |
| Bulk Density (gm/cc, max.) |
1.00 |
0.90 |
0.75 |
| Apparent Porosity (%, min.) |
60 |
60 |
65 |
| Cold Crushing Strength (kg/cm2, min.) |
20 |
15 |
7 |
| Pyrometric Cone [ASTM] No. (min.) |
32 |
27 |
|
| Suitable for temperatures upto (ºC) |
1500 |
1250 |
850 |
| Thermal Conductivity at Hot Face temperature of 600ºC (kcal/m/hr/ºC, max.) |
0.35 |
0.23 |
0.20 |
| PLCR (ºC/3 hours, max.) |
±1.5 at 1250ºC |
±1.5 at 1200ºC |
±1.5 at 1000ºC |
| NOTE:
Provided above are average test data, subject to reasonable variations
|
|
| MICA INSULATING BRICKS |
| Properties |
Grade A
[KRMI-A] |
Grade B
[KRMI-B] |
Grade C
[KRMI-C] |
| Bulk Density (gm/cc) |
0.475 ~ 0.530 |
0.570 ~ 0.630 |
0.700 |
| Apparent Porosity (%, min.) |
80 |
75 |
72 |
| Cold Compressive Strength (kg/cm2, min.) |
7 |
9 |
12 |
Thermal Conductivity
(kcal/m/hr/ºC, max.) |
400ºC |
0.11 |
0.14 |
0.16 |
| 600ºC |
0.14 |
0.16 |
0.175 |
| 800ºC |
0.16 |
0.175 |
0.19 |
| PLC (% at ºC for 5 hours) |
-1.5 at 950ºC |
-1.5 at 1000ºC |
| Maximum Safe Working Temperature (ºC) |
1000 |
1050 |
1050 |
| Al2O3 (%) |
36 |
| SiO2 (%) |
48 |
| Fe2O3 (%) |
2 |
| NOTE:
Provided above are average test data, subject to reasonable variations
|
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Office: KB Commercial Ctr., Lal Darwaja, Ahmedabad 380 001, India, Tel: +9179 2282 2510
Factory: 11 GIDC, Phase III, Naroda, Ahmedabad 382 330, India
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* Kundan Refractories offers the listed ACC product
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