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High Strength Corundum Castable Refractory

Brand Properties		GJ-180	GJ-18S	GJ-180F	KT-185	KT-18SS	KT-180S
Chemical Composition (%)	Al₂O₃	≥94	≥90	≥94	≥93	≥90	≥93
	SiO₂	≤0.5	≤5	≤0.5	≤5	≤4	≤0.5
	Fe₂O₃	≤0.5	≤0.5	≤0.5	≤0.1
Max service temperature °C		1700	1650	1700	1650	1650	1700
Bulk density after burnt at 110°C (g/cm³)		≥2.9	≥3.0	≥2.8	≥3.0	≥2.9	≥2.9
Linear changing after burnt at 1500°C×3h (%)		0.1-0.5	-0.1~ -0.5	0.1-0.5	-0.1~ -0.5	0~ -0.4(1100°C×3h)	0~ -0.3(1100°C×3h)
Compressive/Bending Strength (MPa)	110°C×24h	≥80/≥8	≥90/≥10	≥70/≥7	≥100/≥10	≥80/≥10	≥70/≥7
	1100°C×3h	≥100/≥12	≥100/≥15	≥90/≥10	≥110/≥12	≥110/≥20	≥100/≥15
	1500°C×3h	≥120/≥20	≥150/≥20	≥100/≥15	≥140/≥20
Max grain size of aggregate ( mm)		5-8	5-8	5-8	5-8	3	3
Water content for construction by weight ( % )		5-6.5	5-6	5.5-7	4-5	6-8	5.5-7.5
Usage		Cement kiln Outlet Burner	Cement kiln Outlet cooler	Cement kiln Outlet	Large Cement kiln Outlet Preheating room	Wear-resistance lining of whirl wind separator in oil catalyst cracking unit	Wear-resistance lining of whirl wind separator in oil catalyst cracking unit
Test standard		YB/T5202-2003
Packing		25kgs Plastic bag

Zhengzhou Zhixing Imports & Exports Trade Co.,Ltd
Address: 5-1-6 , No.76 Wenhua Road of Zhengzhou City ,China
Tel:86-371-63601837 Fax: 86-371-63602013