Specifications

fireclay bottom block
exceeded the national standards
the good resistant ability

Using big vibrating table and adopting special castables, the company produces furnace large fireclay blocks with vibrate moulding technology. The physical and chemical properties and appearance of the blocks have exceeded the national standards. The resistant ability to molten glass of the products is better than that of fanditional casting process products and ramming products . the products are especially suitable to build the bottom of furnace, cooling and working end side wall of glass furnace. 

Physical and chemical index :

 

Item		Behaviors
Physical properties	Refractoriness(°C)	1750
	Bulk Density (g/cm3)	2.3
	Apparent Porosity?(%)	18
	Cold Crushing Strength (MPa)	50
	0.2Mpa Softening Temp Under Load(°C)	1450
	Permanent Linear Change(%) 1400°Cx2h	±0.2
Chemical Composition(%)	Al2O3	40
	Fe2O3	1.5