| specifications︰ | Appearance: dark red liquid
Ionic: anionic
Strength: 100 ± 3%
pH: 7-8.9
Light fastness: 4-5
Shade: approx. the standard agent
Viscosity（ 25 ℃）: ≤ 50mPa·S
Solubility: soluble in water in any ratio |
| Advantages︰ | Excellent heat resistance
High light fastness
Good uniformity |
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coloration for Coating, Size Press and Wet End in paper industries.
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