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Magnesia Carbon Refractory Brick
1. Less impurity content 2. Good slag resistance 3. Strong corrosion resistance 4. High softening temperature under load
Description
1. Product Description
Item | MC-10A | MC-10B | MC-10C | MC-14A | MC-14B | MC-14C | MC-18A | MC-18B | MC-18C |
MgO/% ≥ | 80 | 78 | 76 | 76 | 74 | 74 | 72 | 70 | 70 |
C/% ≥ | 10 | 10 | 10 | 14 | 14 | 14 | 18 | 18 | 18 |
Apparent porosity/% ≤ | 4 | 5 | 6 | 4 | 5 | 6 | 3 | 4 | 5 |
Bulk density/g.cm3 ≥ | 2.9 | 2.85 | 2.8 | 2.9 | 2.82 | 2.77 | 2.9 | 2.8 | 2.77 |
Cold crushing strength/ Mpa ≥ | 40 | 35 | 30 | 40 | 35 | 25 | 40 | 35 | 25 |
Modulus of rupture/Mpa ≥ | 6 | 5 | 4 | 10 | 8 | 5 | 9 | 7 | 4 |
Magnesia-carbon bricks are made of high melting point alkaline oxide magnesia (melting point 2800°C) and high melting point carbon materials that are difficult to be infiltrated by slag as raw materials, and various non-oxide additives are added. A non-charcoal composite refractory material combined with a carbon binder.
2. Product Feature
Magnesia-carbon bricks have good high temperature resistance, strong slag resistance, good thermal shock resistance and low high temperature creep.
3.Product Application
Magnesia-carbon bricks are mainly used for the lining of converters, AC electric arc furnaces, DC electric arc furnaces, and the slag line of ladle.
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