HEUCOSPERSE™ OS1235
Pigment Orange 34
HEUCOSPERSE OS1235 is an aqueous Pigment Orange 34 dispersion based on a styrene acrylic resin. The stir-in diarylide orange dispersion is suitable with respect to gloss and tinting strength for various flexographic and gravure water based inks. 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 | Disazo Orange | |
| Appearance | Orange liquid | |
| pH | 8.5 – 9.5 | |
| Specific gravity | [g/cm3] | 1.12 |
| Pigment solids | [%] | 35 |
| Total solids | [%] | 42 – 46 |
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 | 5-6 |
| Reduction 1:1 with TiO2 | 3-4 |
| Reduction 1:3 with TiO2 | 3-4 |
| Scale of 1 – 8, with 5 best (ISO 105-B01) | |
*The performance data shown is taken from the pigment suppliers literature.