HEUCOSPERSE™ VS 9620
Pigment Violet 23
HEUCOSPERSE VS9620 is an aqueous Pigment Violet 23 dispersion based on a styrene acrylic resin. The stir-in carbazolel violet dispersion is suitable with respect to gloss and tinting strength for various flexographic and gravure water based inks. HEUCOSPERSE preparations exhibit excellent opacity and are available in a wide range of pigments. It is especially designed for Kraft and paperboard ink applications.
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Benefits
- Broad compatibility
- Excellent strength, gloss and transparency
- Easy to incorporate
- Formulated to be very low VOC
Technical data
Product Data
Physical Data
| Pigment chemistry | Dioxazine Violet | |
| Appearance | Violet liquid | |
| pH | 8.5 – 9.5 | |
| Specific gravity | [g/cm3] | 1.13 |
| Pigment solids | [%] | 35 |
| Total solids | [%] | 43 – 48 |
Main Fields of Application
- Waterborne inks
- Flexographic inks
- Gravure inks
Coloristic Specifications
| Grav. tinct. strength | [%] | 95.0 -105.0 |
| Color difference | DE | <1.5 |
| Green-red axis | Da | -1.0 to 1.0 |
| Blue-yellow axis | Db | -1.0 to 1.0 |
| Purity | DC | -1.0 to 1.0 |
| Shade | DH | -1.0 to 1.0 |
Fastness Data
| Fastness properties* | |
| Acid | 5 |
| Alkali | 5 |
| Scale of 1 – 5, with 5 best (ISO 787-4) | |
| Fastness to light | |
| Full shade | 6-7 |
| Reduction 1:1 with TiO2 | 6-7 |
| Reduction 1:3 with TiO2 | 6-7 |
| Scale of 1 – 8, with 5 best (ISO 105-B01) | |
*The performance data shown is taken from the pigment suppliers literature.