The seriation of light weight spraying
mixes for hot blast stove facilitates the selection of materials as per
different positions and service conditions. They have been widely applied in
insulating layers with satisfactory application results.
Properties specification of light weight spraying mixes for hot blast stove
|
Type |
SR-Q-140 |
SR-Q-160 |
SR-Q-180 |
|
Chemical analysis (%) ≥ |
Al2O3 |
35 |
40 |
55 |
Bulk density (g/cm3) |
110℃×24h |
1.4±0.1 |
1.6±0.1 |
1.8±0.1 |
|
Compressive strength Mpa ≥ |
110℃×24h |
5 |
5 |
5 |
|
1200℃×3h |
10 |
15 |
20 |
|
Permanent change (%) |
1200℃×3h |
±0.5 |
±0.5 |
±0.5 |
|
(500℃) Thermal conductivity W/(m·K) ≤ |
0.50 |
0.60 |
0.75 |
|
