Carbon-free brick for working lining /high corrosion resistance,better penetration resis/used for the bottom and sidewal
Product description:
High purity corundum,magnesium aluminate spinel and fused MgO are selected as main aggregates for this series of bricks.Those products are used for the bottom and sidewall of ladle and featured with high corrosion resistance,better penetration resistance,good anti-spalling and abrasion resistance.
Physical and chemical indicators:
Brand | XY-85 | XY-88 | XY-90 |
---|---|---|---|
MgO/% | 5~10 | 3 ~ 6 | 3 ~ 6 |
Al2O3/% | ≥80 | ≥85 | ≥90 |
Apparent porosity/ %,≤ | 12 | 12 | 12 |
Bulk density/ g﹒cm-3,≥ | 2.95 | 3.0 | 3.1 |
Crushing strength/ MPa ,≥ | 35 | 40 | 45 |
Linear change rate(1550℃)/ % | 0~+1.5 (1550℃,3h) | 0~+1.5 (1550℃,3h) | 0~+1.5 (1550℃,3h) |
Application | Sidewall and bottom of large-and medium-size ladle |
roduction and inspection :
Packaging and transportation: