离岸价格
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China
联系人 Mr. harry
Kaiyuan Road, Luoyang, Henan
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Colour Index No.:
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C.I.Sulphur Black 1(****5)
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Standard of identity:
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HG/T********1
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Appearance
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Flashing Black Flakes or Granules
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Strength (with the standard )
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**0%
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Shade
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Approximate to the Standard
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Moisture, % ≤
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6.0
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Insoluble matter in Sodium Sulfide, %
≤
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0.5
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