Ambition refractories co.,ltd. produce and supply Castables Refractories For Electrical Furnace

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Refractories Castables For Metallurgical Industry-Castables Refractories For Electrical Furnace

Castables Refractories For Electrical Furnace

Technical Data

Brand		DA-70	DA-90	RM-80	RM-88
Chemical composition(%)	MgO	-	-	≥80	≥88
	CaO	-	-	7-9	5-7
	Fe₂O₃	-	-	5-7	5-7
	Al₂O₃	70	90	-	-
Bulk density(g/cm³)	110℃×24h	2.8	2.95	-	-
	1300℃×3h	-	-	≥2.75	≥2.82
	1600℃×3h	2.75	2.90	-	-
Cold crush strength(Mpa)	110℃×24h	25	60	-	-
	1300℃×3h	-	-	≥15	≥18
	1500℃×3h	-	-	≥35	≥40
	1600℃×3h	50	90	-	-
Modulus of rupture( Mpa)	110℃×24h	5.0	6.5	-	-
	1300℃×3h	-	-	≥2.0	≥2.0
	1500℃×3h	-	-	≥7.0	≥7.0
	1600℃×3h	10.0	12	-	-
permanent linear change (%)	1300℃×3h	-	-	0~-1.0	0~-1.0
	1500℃×3h	0.3-1.2	0.3-1.2	0~-1.5	0~-1.5
	1600℃×3h	±0.2	±0.2	-	-
Forming method		-	-	degasifying by steel fork or ramming by flat vibrator,the thickness of added materials less than 140mm per time.prothecting the shape of furnace by the steel beofre the first using.
main use		-	-	slope lining of DC stove,hot-repqiring materials or working lining for chamber of EBT stove.

Ambition refractories co., ltd.