选用优质天然特级菱镁矿石，经过浮选、提纯、轻烧、细磨、压球、超高温油竖窑煅烧而成。其生产工艺的全部设备均由国外引进。
| 牌号/指标 | MgO ≥ | SiO 2 ≤ | CaO ≤ | Fe 2 O 3 ≤ | L.O.I.≤ | BD≥(g/cm3) | 粒度 |
| GMS–98 | 97.7 | 0.5 | 1.2 | 0.5 | 0.3 | 3.30 | 0–30㎜或根据用户要求加工 |
| GMS–97a | 97.5 | 0.6 | 1.2 | 0.7 | 0.3 | 3.30 | |
| GMS–97b | 97 | 0.7 | 1.4 | 0.8 | 0.3 | 3.25 | |
| GMS–96 | 96 | 1.0 | 1.4 | 0.8 | 0.3 | 3.25 |
ZhongHe refractory products with stable quality, high purity, good activity characteristics!
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