Product Details

LZ55 High Temp Fire Brick High Alumina Brick

Company Information

Surya Thermal Insulation Material Co.,Ltd is a professional manufacturer and exporter of all kinds of insulation materials.We can supply Calcium Silicate series,Ceramic Fiber series, Light insulating brick series,Foam Glass series,Rock Wool series and other insulation materials.Our insulation products have been sold well inland and have been exported to more than twenty five countries and areas,such as Asia,Europe,Africa,etc.Our products and services have got high reputation from our customers all over the world.

Product Description

About product:

Heat insulation refractory bricks is my company the American advanced standard reference to the development and production of a kind of high efficient, energy saving, high grade product. The products have been widely used in metallurgical hot dip galvanized furnace, silicon steel processing furnace, blast furnace stove; The petrochemical industry ethylene cracking furnace, hydrogen furnace, a transformation furnace, sulfur recovery units; And other such as roller kiln, spindle type kiln, prevent (fight) carburizing (n) the stove and so on thermal device, and satisfactory results.

Product features :

High temperature resistant,

Performance is good,

High strength,

Show low porosity,

An acid, alkali resistant, aggressive good, etc

Product application:

Mainly used for thermal boilers, cement kiln, glass furnace, gas furnace, fertilizer, blast furnace hot-blast stove, coking furnace, electric furnace, casting and casting steel brick

Technical parameters:

Item		Unit	Index
			LZ-75	LZ-65	LZ-55		LZ-48
Al2O3≥		%	75	65	55		48
≥ refractoriness		°C	1790	1790	1770		1750
≥ softening temp under 0.2 Mpaload		°C	1520	1500	1470		1420
Liner change of heating	1500°C, 2h	%	+0.1 -0.4
	1450°C, 2h						+0.1 -0.4
≤ porosity		%	23			22
≥ pressure resistance at normal temp		Mpa	53.9	49.0		44.1		39.2