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Contact Person : Mr. Wei David
Company Name : Zhengzhou Hengjun Trading Co., Ltd.
Tel : 86-371-64393396,63883601
Fax : 86-371-64387396,63883602
Address : Henan,Zhengzhou,1416, A Building, Soho Plaza, Nanyang Road
Country/Region : China
Zip : 450000

Corundum refractories

$Corundum refractories$

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Product Detailed

Related Categories:Refractory

Detailed Product Description

These series products, taking quality electro corundum as raw material, are made through the process of scientific gradation, high pressure shaping and high temperature sintered. They show the features of high strength, high resistance to erosion, and superior chemical stability, and are widely used in the important parts, such as lining, combustion chamber of high temperature kiln and furnace.

Item	White fused alumina	Brown fused alumina	Zircon corundum	Chrome corundum	Zirconite	Oriental topaz
AL₂O₃, %	90-95	85-90	45-50	80-86	-	85-90
Fe₂ O₃, %	0.5	0.5-1.2	0.5-1.0	0.5	-	0.5-1.3
ZrO₂, %,	-	-	30-35	-	60	-
AP , %	19-23	18-22	18-23	18-20	≤18	18-23
Refractoriness,, ≥	1790	1790	1790	1790	-	1790
BD, g/cm³, ≥	3.0-3.2	2.9-3.0	3.0-3.4	3.0-3.3	≥3.4	2.75-3.0
0.2 Mpa RUL,	1600-1700	1500-1700	1600	1600-1700	≥1600	1500-1600
CCS, Mpa, ≥	80	80	70	80	85	65
PLC,%	±0.31600^oC×3h	±0.31600^oC×3h	±0.41600^oC×3h	±0.31600^oC×3h	-	±0.41500^oC×3h
Application	Blast furnace bottom and belly, distiller, side wall of electrolytic cell and crucible in zinc, copper and aluminum industry, batts, flame-separating plate and kiln furniture of various kiln and furnace in ceramic industry, cement rotary kiln, etc.