Specifications

high refractoriness, anti alkaline/acid erosions, good strength under high temperature and good thermal shock resistance.

 

 LQ-series zirconia nozzle for tundish   LQFC

 

 

LQ-Tundish Upper Nozzle-Zirconia Insert
Zirconia Insert of Tundish Upper Nozzle
ZrO2+HFO2	Apparent porosity	Bulk density	C.C.S	Refractoriness
(% minm)	(% max)	(gm./cc minm)	(MPa minm)	(ºC minm)
65	23	3.60	80	1790
70	23	3.70	80	1790
80	23	3.90	80	1790
84	23	4.00	80	1790
93	21	4.50	100	1790
94	21	4.90	100	1790
Tundish Upper Nozzle- body
Al2O3	FC	Apparent porosity	Bulk density	C.C.S
(% minm)	(% minm)	(% max)	(gm./cc minm)	(MPa minm)
75		25	2.40	60
80	3	10	3.00	60
85	4	14	3.00	85

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