Magnesia Hot Repairing Gunning Mixes For EAF Steel Plants Refractory
Hot Repairing Gunning Mixes
Using high quality magnesia as the main materials, by adding compound binding additives, this series of gunning mixes for EAF feature high adhesive strength, low rebound rate, good sintering, good erosion resistance, and can be used as cold or hot repair materials at slag line and side wall.
|
Brand |
CHDPB-87 |
CHDPB-75 |
CHDPB-65 |
|
MgO/ % |
87 |
75 |
65 |
|
CaO/ % |
----- |
10 |
30 |
|
Bulk density/gcm3 |
2.60 |
2.40 |
2.30 |
|
Cold crushing strength/ MPa |
15 (110°C , 24h) |
15 (110°C , 24h) |
15 (110°C , 24h) |
|
25 (1500°C , 3h) |
20 (1500°C , 3h) |
20 (1500°C , 3h) |
|
|
Permanent linear change／％ |
0~-1.5(1500°C, 3h) |
0~-2.5(1500°C, 3h) |
0~-3.0(1500°C, 3h) |
The guning mass manufactured by CH Refractories with high strength and long service life, which are exported to many countries, such as Pakistan, Saudi and so on.
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