Specifications

1)Low cost, superior quality refractory.
2)high-purity, high-density, high-strength.
3)stable.
4)Zirconia insert.
5)ISO9001.

Upper Nozzle Brick for Tundish

 

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

 

 

Made from high-purity,high-density, high-strength fused alumina based materials, Our series of purgingplugs, with the unique radiated through-slots structure, show the features of stablestructure, high and adjustable gas-flow, high purging rate, goodcorrosion and erosion resistance and long service life etc.