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測試項目 標準值
TIO2含量% ......................., ................................≥94.0
亮度% ............................................................... ≥94.0
吸油量g/100g ...................................................≤20.0
篩余物45μm孔篩% ....................................... ≤0.03
消色力 雷諾茲數 ..................................................≥1800
金紅石含量% .......................................................... ≥98
分散性(黑格曼數) ...............................................≥5.00
平均粒徑μ ................................................................m 0.25
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