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; øصǿԣеľлԭԵкֽ⣬ӶﵽĿġк⡢ȡȩһкܸߵȥЧʡ

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ܲ

mm 0.5 3-5 4-6
Al2O3 ≥75 ≥75 ≥75
SiO2 ≤0.1 ≤0.1 ≤0.1
Fe2O3 ≤0.35 ≤0.35 ≤0.35
ѹǿȣN/ţ ≥10 ≥50 ≥80
ѻܶȣkg/m3 ≥0.8 ≥0.8 ≥0.8
ĥģ% ≤0.2 ≤0.2 ≤0.2
ˮ֣£% ≤25 ≤25 ≤25
أ% 5-8 5-8 5-8

 

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