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详细说明
white fused alumina
( wfa )
items unit index typical
chemical
composition al2o3 % 99.20min 99.60
sio2 % 0.20max 0.11
fe2o3 % 0.10max 0.04
na2o+k2o % 0.40max 0.21
refractoriness ℃ 1850min
bulk density g/cm3 3.50min
mohs hardness --- 9.00min
principal crystalline phase --- α-al2o3
refractory grade grain mm 0-50,0-1, 1-3, 3-5,5-8
fines mesh -200, 325
grit(f grade and p grade) fepa 16, 24, 46, 100,180,220