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Pigment yellow 13 for plastics P.Y.13 is used to a more appreciable extent in plastics, where it meets average standards. P.Y.13 is as lightfast as in PVC. P.Y.13 is used to an appreciable extent usually in the form of pigment preparations – in rubber and other elastomers and in aromatic polyurethane foams. The spin dyeing market employs P.Y.13 to color viscose rayon and synthetic wool. As a result of the discovered thermal decomposition of diarylide yellow pigments , the use of P.Y.13 in HDPE must be limited to 200°C, even though the pigment was said before to survive a 5 minute exposure to 200 to 260°C
Pigment Yellow 13 C.I.PY13 for solvent based inks. P.Y.13 also represents a frequent choice throughout the printing ink industry,specially in offset application. P.Y.13 and its chemically modified derivatives, due to their higher solvent fastness compared to P.Y.12, are used in much greater volume in packaging gravure inks. P.Y.13 is not only more resistant to solvents, but also shows less of a tendency to recrystallize than P.Y.12. This makes it much more advantageous to incorporate such pigments in offset vehicles containing large amounts of mineral oil by Diarylide Yellow Pigments 247 using agitated ball mills like the ones mentioned above. P.Y.127 and 176 are even more recrystallization resistant than P.Y.13. At equal depth of shade, the lightfastness of P.Y.13 exceeds that of similarly transparent types of P.Y.12 by one to two steps on the Blue Scale.
