LMM TOTAI offer a complete product and service portfolio for all steelmaking processes.
From basic and non-basic bricks and mixes, slide gate plates, isostatic products and prefab components to special machinery, mechanisms and repair systems.
Magnesia Dolomite Bricks
LMM GROUP refractory inheres the advanced technology, management experience and quality control from LMM YOTAI.
We have formed a comprehensive, effective and standarized management system with an excellent management team.
We can manufacture various high-quality refractory products according to clients’ needs and to ensure the stability and accountability of the quality, we track and control the full manufacturing process through a variety of physical and chemical analysis. LMM got ISO-9001 quality guarantee system, ISO-27922 service certificate and ISO-14001.
Tempered Magnesia Dolomite Carbon Bricks
| Grade | MgO | CaO | C | B.D. | A.P. | CCS |
| % | % | % | g/cm³ | % | Mpa | |
| MGT-5A | 67 | 17 | 8 | 2.90 | 3.00 | 40 |
| MGT-5B | 57 | 28 | 7 | 2.90 | 4.00 | 40 |
| MGT-5C | 58 | 25 | 7 | 2.90 | 4.00 | 35 |
| MGT-8A | 57 | 25 | 11 | 2.95 | 2.00 | 45 |
| MGT-8B | 57 | 23 | 10 | 2.90 | 3.00 | 40 |
| MGT-8C | 60 | 25 | 8 | 2.90 | 3.00 | 40 |
Fired Magnesia Dolomite Bricks
| Grade | Mg0 | CaO | AI203 | Fe203 | Si02 | B.D. | A.P. | C.C.S | R.U.L | Paraffin Dip |
| % | % | % | % | % | g/cm³ | % | Mpa | ℃ | Wax | |
| MG-20A | 75.74 | 21.41 | 0.41 | 1.27 | 0.86 | 3.07 | 8.2 | 110 | 1700 | N |
| MG-20B | 73.31 | 22.35 | 0.41 | 1.13 | 0.75 | 2.98 | 11.6 | 94 | 1700 | N |
| MG-30A | 64.14 | 31.89 | 0.46 | 1.04 | 0.86 | 3.1 | 8.7 | 66 | 1700 | N |
| MG-30B | 57.35 | 40.03 | 0.53 | 0.97 | 0.82 | 3.01 | 12.1 | 85 | 1700 | N |