Pigment Yellow 191

Fastness Properties of Pigment Yellow 191:

Molecular structure formula:  

Main application: Plastic

We have various pigment grades and properties to meet different customers’ needs, please specify your application and requirements so that we can recommend accordingly.  

Product Description of Pigment Yellow 191:

The shade of Pigment Yellow 191 is similar to CI Pigment Yellow 83, with low color power, but excellent heat resistance. In high-density polyethylene (HDPE, 1/3 standard depth), it has a heat resistance of 300°C, no dimensional deformation, and has good heat resistance. Light fastness (level 7-8); excellent migration resistance in plastic PVC; temperature resistance up to 330°C in polycarbonate, and resistance to organic solvents. It is mainly used for coloring traffic paint in the United States.

Pigment Yellow 191 is an economical red-shade yellow pigment with excellent heat stability and resistance properties. It is an ideal replacement for diarylide and lead chromate pigments.