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English Name: Lithopone(B301 B311)
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Item
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Index
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B301
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B311
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In terms of total zinc sulfide and barium sulfate the sum of% (m / m) ≥
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99
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99
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The total amount of zinc (in zinc sulfide)% m / m) ≥
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28
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30
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Zinc Oxide% (m / m)
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0.6
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0.3
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105 °C Volatile% (m / m) ≤
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0.3
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0.3
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Water soluble% (m / m) ≤
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0.4
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0.3
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Filter material (63mm filter)% (m / m) ≤
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0.1
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0.1
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Color (compared with the standard sample)
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Excellent
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Excellent
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PH Value of Aqueous Suspension
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Neutral
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Neutral
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Oil Absorption g/100g
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14
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12
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Reducing power (with standard sample)% ≥
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105
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105
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Opacity (contrast ratio)
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Not lower than 5%standerd sample
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Not lower than 5%standerd sample
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