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Specification | Super Grade | First Grade | Qualified Grade | ||
Colourity(Pt-Co),code No. ≤ | 15 | 25 | 40 | ||
Acidity(calculated as phthalic acid),%≤ | 0.008 | 0.010 | 0.015 | ||
Density(20℃),g/cm3 | 1.120±0.002 | ||||
Content(GC),% ≥ | 99.5 | 99.0 | 98.5 | ||
Water content,% ≤ | 0.10 | 0.10 | 0.15 |
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