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Magnesia refractory mortar
Classification
Refractory Mortar
DESCRIPTION
Refractory mortar is an amorphous refractory material used as a joint of refractory masonry. It can be divided into clay, high alumina, silica and magnesia refractory mud according to the material.
Characteristic:
1. Good plasticity
2. Convenient construction
3. Strong bonding strength
4. Strong corrosion resistance
5. High refractoriness
6. Good slag resistance
7. Good thermal spalling.
| Item | MN-91 | MN-95 | MN-97 | |
| MgO（%） ≥ | 91 | 95 | 97 | |
| Linear change rate 1500℃×3h（%） | -4~+1 | |||
| Bending strength（MPa）≥ | After drying at 110℃ | 1.5 | ||
| After burning 1500℃×3h | 3 | |||
| Granularity（%） | ＜1.0mm | 100 | ||
| ＞0.5mm ≤ | 2 | |||
| ＜0.075mm ≥ | 60 | |||
| Bonding time（min） | 1-3 | |||
High alumina refractory mortar
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