Ambition refractories co.,ltd. produce and supply Magnesia Bricks

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Refractory Bricks-Magnesia Bricks

Magnesia Bricks

Technical Data

Item	97A	97B	95A	95B	93	91	89	87
MgO % ≥	97	96.5	95	94.5	93	91	89	87
CaO % ≤	-	-	2.0	2.0	2.0	3.0	3.0	3.0
SiO₃ % ≤	1.0	2.0	2.0	2.0	3.5	-	-	-
Apparent porosity % ≤	16	18	18	18	18	18	20	20
0.2Mpa refractoriness under load(℃)≥	1700	1700	1650	1650	1600	1560	1550	1540
Cold crush strength Mpa ≥	60	60	60	60	60	60	50	50
Linear change after reheating (1650℃×2h)%	0-0.2	0-0.2	0-0.2	0-0.3	0-0.4	0-0.5	0-0.6	-

Ambition refractories co., ltd.