Company profile:ZIBO HITECH MATERIAL CO., LTD is the specialized manufacturer and supplier of refractory in China, Our products mainly include refractory bricks, refractory castable, refractory precast shape, insulating brick etc. For refractory castable and precast shape they are very popular in the Europe, North American area.

Type:We can supply High Alumina Bricks, Fireclay Bricks, Low Porosity Fireclay Bricks, Mullite Bricks, Corundum Bricks, AZS Bricks, Magnesite Bricks, Zircon Bricks,insulating Bricks etc.

Application: Andalusite bricks are mainly used in the cooling wall of blast furnace, chemical and ceramic industry, the door of coke oven, or as the lining and checker of hot blast furnaces.

This series of products are made of super calcined flint clay and calcined bauxite, with high

pressure formed and high temperature sintered. Due to its low apparent porosity, strong resistance to erosion and high refractoriness under load, they are wildly used in various furnaces, especially suitable to the middle and low parts of regenerator in glass furnaces.

Index Item	Low Porosity Fireclay Products
	DN-10	DN-12	DN-15	DN-18
AL2O3 % ≥	45	45	42	42
Fe2O3 % ≤	1.00	1.20	1.65	1.80
Bulk Density≥ g/cm3	2.40	2.35	2.30	2.25
A.P. % ≤	10	12	15	18
C.C.S (Mpa) ≥	70	65	60	48
Refractoriness ≥ oC	1750	1750	1750	1750
Reheating Linear Change%	1400oC×2h -0.1+0.05	1400×2h -0.1+0.05	1400oC×2h -0.20	1400oC×2h -0.40
0.2mpa Refractoriness under loadT0.6 ≥oC	1500	1470	1450	1400

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