| TYPICAL
AVERAGE DATA OF MICA INSULATION BRICKS
& SPECIFIC INSULATION BRICKS
(METRIC UNITS) |
|
PROPERTIES |
MICA BASE |
RCI
850 |
RCI
HIGH
CCS |
|
RCI
500 |
RCI
600 |
RCI
700 |
RCI
800 |
| Service
Temperature in oC (max) |
1050 |
1050 |
1050 |
1100 |
1100 |
1150 |
| Bulk
Density in gms/cc(max) |
0.5 |
0.6 |
0.7 |
0.8 |
0.85 |
1.2 |
| Apparent
Porosity in %(min) |
78 |
72 |
70 |
68 |
65 |
50 |
| Cold
Crushing Strength in kg/Cm2/(min) |
6 |
8 |
10 |
15 |
20 |
100 |
|
Thermal Conductivity in Kcal/M/Hr/oC
(max) at average temp. of
50oC |
0.10 |
0.12 |
0.14 |
0.15 |
0.18 |
0.20 |
|
350oC |
0.12 |
0.13 |
0.18 |
0.20 |
0.24 |
0.30 |
|
600oC |
0.15 |
0.16 |
0.20 |
0.22 |
0.28 |
0.38 |
| Permanant
Linear change after re-heating at service temp.
for 5 hrs max(%) |
0.5 |
0.5 |
0.6 |
0.6 |
0.6 |
1.0 |
| (A)
MICA INSULATION MORTAR: |
Suitable
for each type of Mica Insulation Bricks (Both
Air Setting & Ceramic Setting) are MAnufactured. |
| We
also undertake the manufacturing of Mica
Insulation Bricks other than the specified. |
| (B)
MICA INSULATION CRUMBS: |
Suitable
for filling purpose (available in different
grain sizes) |
(C)
VERMICULITE INSULATION BRICKS:
AND EXFOLIATED VERMICULITE |
Suitable
for Insulation in low temperature furnaces
upto 900oC |
| Note:
Permissible deviation in Bulk Density for
grades RCI-500 & RCI-600 to be uptill
±5% |
|
