Fireclay brick for blast furnace

The product has excellent high temperature resistant performance of chemical resistance and corrosion

1.USES the high quality clay clinker as the main raw material

2.By high pressure pressure molding, the high temperature burn becomes

3.The product has excellent high temperature resistant performance of chemical resistance and corrosion

4.Physical and chemical indexes

ITEMS	ZGN-42	GN-42
AL2O3.%        Min	42	42
Fe2O3.%        Max	1.6	1.7
Refractability     Min	1760	1760
Refractoriness under load(RUL)Min	1450	1430
%(P.L.C)       1450°C*2h	0—0.2	0—0.2
Apparent porosity  %(A.P.)  Max	15	16
Cold crushing strength MPa(ccs)Min	58.8	49.0

Fireclay brick for blast furnace