Zibo Yuntai Furnace Technology CO.,LTD

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fire clay bricks

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Basic Info.

Supply Capacity

fire clay brick

Al2O3:55%Min.

Fe2O3:2.5%Max.

B.D:2.25g/cm3Min.

C.C.S:40Mpa Min.

R.U.L:1430

Main Properties

Item	Index
International code name	SK35	SK36	SK37	SK38	SK40
Chinese code name	LZ-48	LZ-55	LZ-65	LZ-75	LZ-80
Al2O3 min %	48	55	65	75	80
Fe2O3 max %	2	2	2	2	2
Refractoriness °C, min	1750	1770	1790	1790	1790
Refractoriness under load (0.2MPa) °C, min	1420	1470	1500	1520	1530
Linear change on reheating (1500°C, 2h) %	+0.1~ -0.4 *1450°C	+0.1~ -0.4	+0.1~-0.4	+0.1~ -0.4	+0.1~ -0.4
Apparent porosity max %	22	22	23	23	21
Cold crushing strength Mpa, min