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金剛砂

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corundum-chrome brick

corundum-chrome brick

Product yield:3000mt/year
producers:Jining Canal Emery Co.,Ltd.
Product yield:3000mt/year
producers:Jining Canal Emery Co.,Ltd.

Product description:On the base of white corundum increased by 22% chromium and smelted in electric arc, it appears amaranth. The hardness is little bit higher than adamantine spar, similar with corundum, the micro-hardness can reach 2200-2300Kg/mm2. The toughness is higher than corundum and little bit lower than adamantine spar.
Physical and chemical indicators: Implementation of standards(GB/T7986-2001)

Item Unit Value
AL2O3 % 98.5 Min
Cr2O3 % 0.2-0.45
Particle size GB/T2481.1-1998 12#-220#
Particle density g/cm3 3.90 Min
Magnetic content % 0.004 Max
?2015 濟寧碳素集團有限公司 ALL RIGHTS RESERVED
地址:山東省濟寧市任城大道99號
電話:0537-2317667 傳真:0537-2317557
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