Hansa Red B for Printing
Pigment Red 3
Hansa Red B is a blue shade opaque beta-Naphthol pigment. It is easy to disperse and exhibits good light- and weather fastness properties. Recommended for paste inks as well as for solvent- and water based packaging gravure and flexographic printing inks.
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Benefits
- Easy to disperse
- Good light- and weather fastness properties
Technical data
Product Data
Physical Data
| Density | [g/cm3] | 1.42 |
| pH-value | – | |
| Specific surface | [m2/g] | 10 |
| Average particle size | [nm] | 370 |
| Fineness of grind | [µm] | – |
| Viscosity | [Pa.s] | – |
| Oil absorption | [ml/100g] | 68 |
Fastness properties
| Staining of the test medium by: | |||
| Test medium | Powder pigment | Print / draw-down | Change of the print |
| Solvent mixture | 3-4 | 4 | 3-4 |
| Ethanol | 4 | 4-5 | 4-5 |
| Ethyl acetate | 3-4 | 3-4 | 2 |
| MEK | 3-4 | 3 | 1 |
| Toluene | 3-4 | 3 | 2 |
| White spirit | 4 | 4-5 | 5 |
| DOP | 4-5 | 5 | – |
| Paraffine | 4 | 4-5 | – |
| Butter | – | 4 | – |
| Soap | – | 5 | 5 |
| Alkali | – | 5 | 5 |
| Acid | – | 5 | 4-5 |
| Heat stability | 10 min. | <140°C | |
| 30 min. | <140°C | ||
| Light fastness | 1/3 SD | 16.8 % | 5 |
| Light fastness | 10.0% | 4-5 | |
| Silver laquer | 1 | ||
| Sterilization | Water phase | Steam phase | |
| 4 | 4 | ||
Applications
Recommended for
Paste inks
| Sheetfed | ● |
| Heatset | – |
| Coldset | – |
| Silkscreen | – |
| Metal deco | – |
| UV curing (Offset) | – |
Liquid inks
| NC alcohol | ● |
| NC acetate | ○ |
| Waterbased | ■ |
| Polyvinyl butyral | ■ |
| Polyamide | ■ |
| Pub gravure, Toluene | – |
| Decorative laminates | – |
| UV curring (Flexo) | – |
■ highly recommended
● recommended
○ limited suitability
– not tested