Zhengzhou Hongji Special Refractories Co., Ltd, which is a leading Abrasive and Carbon bricks manufacturer in China, We have much more experiences on exports in Asia\North America and Euope for many years.And our products gain reputation both at home and aboard based on the good quality and best service.
* Artifical Corundum,We mainlu produce the High standard brown fused alumina, adopting the tilting furnace,crushed by the advanced vertical crush machine BMK, after the blowing&water washing, magnetic sorting and fine sieveing processes, our BFA products own higher density and purity than the common ones.
Chemistry composition usually as below:
Al2O3 95% Min
SiO2 1 Max
TiO2 2.3-2.8
Fe2O3 0.07
CaO+MgO 0.4 More or less
* Carbon Bricks.
It's puritly made of Carbon, Can bear high temperature 2000 Centigrades.
Physical property: True specific gravity:1.8-2.0g/cm3
False specific gravity:1.58-1.6g/cm3
Compressive strength:38.3Mpa
Tensile strength:11.3kg/cm2
