The Commonly Used Pigment Orange 34 In The Printing Inks

Pigment Orange 34 is supplied in a variety of types, which differ considerably in their particle size distributions. Specific surface areas range from 15 m2 /g in highly opaque versions to about 75 m2 /g in transparent types. It is these physical characteristics that determine the coloristic and fastness properties of each type. P.O.34 shows good solvent resistance to a number of organic solvents. Its prints are more stable in this respect than those made from P.O.13. Transparent P.O.34 is somewhat sensitive to heat and generally only withstands temperatures up to 100 to 140°C. P.O.34 is used for all printing techniques. Packaging printing inks, especially nitrocellulose inks.