Kyanite brick

Adding some sillimanite or andalusite or kyanite in high alumina brick mixture can improve thermal shock resistance of the products, especially the high temperature creep rate can be reduced. The products have been performed well in blast furnace, hot blast furnace and torpedo.

Classification:

Ironmaking system products

WhatsApp:

+86-19143919677

E-mail:

biting@jzjxht.com

Inquiry

Product Introduction

Item	Sillimanite brick		Andalusite brick		Kyanite brick
Item	JX-GXS-65	JX-GXS-75	JX-HZS-65	JX-HZS-75	JX-LJS-65	JX-LJS-75
Al2O3 (%) ≥	65	75	65	75	65	75
Fe2O3 (%) ≤	1.0	0.8	1.0	0.8	1.0	0.8
R2O (%) ≤	0.6	0.5	0.7	0.5	0.8	0.6
BD (g/cm3) ≥	2.65	2.70	2.60	2.70	2.60	2.65
AP (%) ≤	17	18	19	18	17	18
CCS (MPa) ≥	65	90	80	90	60	80
Refractoriness under load（℃）≥	1550	1600	1600	1650	1500	1560
Refractoriness（℃）＞	1790	1790	1790	1790	1790	1790
Creep rate 20~50h(%) ≤	0.2 1450℃	0.2 1500℃	0.2 1450℃	0.2 1500℃	0.2 1350℃	0.2 1400℃
Thermal shock resistance 1100℃ water cooled (cycles) ≥	25	30	25	35	20	25
Permanent linear change 3h (%)	0~0.1 1450℃	0~0.1 1500℃	0~0.1 1450℃	0~0.1 1500℃	0~0.1 1400℃	0~0.1 1450℃

Key words:

Alumina-carbon brick

Andalusite brick

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