技术指标
技术指标 Specifications
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一级品 Firsts
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二级品 Second
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粒度10-24目
2.0-0.8mm |
Gain size
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%
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≥95
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≥95
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碘 值
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Lodin value
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mg/g
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≥1000
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≥900
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亚甲兰脱色力
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Methylene blue
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ml
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≥10
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≥8
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强 度
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Serength
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%
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≥95
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≥95
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干燥减量
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Loss on drying
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%
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≤10
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≤10
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灼烧残渣
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lgnition residue
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%
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≤3
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≤3
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充填比重
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Filling ratio
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g/ml
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0.45-0.55
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0.45-0.55
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PH值
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PH
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6-8
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6-8
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