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It is produced using high-purity magnesia and composite spinel sand, and is used in the burning zone and transition zone of cement kilns. This product has good high-temperature volume stability, with a refractoriness under load (0.6% deformation) as high as 1740℃, excellent thermal shock resistance, and easy kiln coating formation. The reaction layer with cement is only 3-5mm, and the impact of kiln coating shedding is less than that of magnesia-chrome bricks. Practice has proven that this brick has a long service life, a flat residual brick surface, and no public hazards.
Product specifications
Indicator/Model | Periclase composite spinel brick | ||||
HYA-a | HYA-b | HYB | HYC-a | HYC-b | |
MgO%≥ | 80 | 80 | 80 | 75 | 75 |
Cr2O3% | 2-4 | 2-4 | 2-4 | 2-4 | 2-4 |
SiO2≤ | 1.0 | 1.0 | 1.5 | 2.0 | 2.0 |
Apparent porosity %≤ | 17 | 17 | 17 | 18 | 18 |
Room temperature compressive strength MPa≥ | 60 | 50 | 50 | 50 | 50 |
Refractoriness under load（℃）≥ | 1700 | 1700 | 1700 | 1650 | 1650 |
Indicator/Model | Periclase composite spinel brick | ||||||||
HMJ75A | HMJ75B | HMJ80 | HMJ80A | HMJ85B | HMJ93A | HMJ93B | HMJ95A | HMJ95B | |
MgO%≥ | 75 | 75 | 80 | 85 | 82 | 88 | 85 | 93 | 90 |
Cr2O3% | 13 | 13 | 9 | 9 | 9 | 5 | 5 | 3 | 3 |
SiO2≤ | 0.6 | 1.0 | 1.5 | 0.6 | 2.5 | 0.6 | 2 | 0.6 | 2.5 |
Apparent porosity %≤ | 17 | 17 | 17 | 16 | 17 | 16 | 17 | 16 | 17 |
Room temperature compressive strength MPa≥ | 45 | 45 | 45 | 45 | 40 | 45 | 40 | 45 | 40 |
Refractoriness under load（℃）≥ | 1700 | 1700 | 1700 | 1700 | 1700 | 1700 | 1700 | 1700 | 1700 |
NEXT：Burnt magnesia brick
Address: Gangyaoling Village, Ximu Town, Haicheng City, Liaoning Province
Phone: 0412-3744222
Sales phone number: 18804257566/18804257966
Email：haoyangref@163.com