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High-purity,Alumina-chrome Castable Refractory

Brand Properties		KT-19H	KT-19B	KT-19K
Chemical Composition (%)	Al₂O₃	≥95	≥95	≥93
	SiO₂	≤0.5	≤0.5	≤0.5
	Cr₂O₃	2-3	2-3	4-5
Max service temperature (°C)		1900	1900	1900
Bulk density after burnt at 1500°C (g/cm³)		≥3.0	≥3.0	≥3.0
Linear changing after burnt at 1500°C×3h (%)		±0.5	±0.5	±0.5
Compressive/Bending Strength (MPa)	110°C×24h	≥50/≥6	≥25/≥5	≥40/≥6
	1100°C×3h	≥50/≥7	-	≥50/≥7
	1500°C×3h	≥100/≥15	≥85/≥16	≥100/≥15
Max grain size of aggregate ( mm)		5-6	5-6	5-6
Water content for construction by weight ( % )		5-6	5-6	5-6
Usage		Hard carbon black reaction kiln
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