corundum-欧洲杯投注官网

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
欧洲杯投注官网-欧洲杯线上买球
地址:山东省济宁市任城大道99号
电话:0537-2317667 传真:0537-2317557
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