Zhengzhou Hongji Special Refractories Co., Ltd

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1. Carbon bricks

Our carbon products are mainly for the making of corundum, silicon, silicon iron, alumina, calcium carbide and so on. Our principle is credit and quality. And our products are welcomed home and abroad for their good quality.

2. Brown fused alumina/Abrasive

Brown fused alumina is made from bauxite and carbon (anthracite) high heated in electric cooker. The main ingredients are AL2O3 and TIO2, as well as a little SiO2 and Fe2O3.The rigidity is HVl800-2200. Its tenacity is higher than SiC. The tools ...