Hansa Red 3B for Printing
Pigment Red 3
Hansa Red 3B is a very 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
- Exhibits good light- and weather fastness properties
Technical data
Product Data
Physical Data
| Density | [g/cm3] | 1.42 | 
| pH-value | – | |
| Specific surface | [m2/g] | 9 | 
| Average particle size | [nm] | 405 | 
| Fineness of grind | [µm] | – | 
| Viscosity | [Pa.s] | – | 
| Oil absorption | [ml/100g] | 55 | 
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 | 
| Ethanol | 4 | 4-5 | 4-5 | 
| Ethyl acetate | 3-4 | 3-4 | 2 | 
| MEK | 3-4 | 3-4 | 2 | 
| Toluene | 3-4 | 3 | 2 | 
| White spirit | 4 | 4-5 | 5 | 
| DOP | 4-5 | 5 | – | 
| Paraffine | 4 | 4-5 | – | 
| Butter | – | 3 | – | 
| Soap | – | 5 | 5 | 
| Alkali | – | 5 | 5 | 
| Acid | – | 5 | 4 | 
| Heat stability | 10 min. | <140°C | |
| 30 min. | <140°C | ||
| Light fastness | 1/3 SD | 16.0 % | 4-5 | 
| Light fastness | 10.0% | 4 | |
| Silver laquer | 1 | ||
| Sterilization | Water phase | Steam phase | |
| 4 | 4-5 | ||
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
