PIGMENT YELLOW 191 – Introduction and Application

Pigment Yellow 191 is a very economical and user-friendly product.

It belong to Mono azo Pigment, you can see calcium ion in its Chemical Formula, that is the key reason for its high heat resistance and good fastness. As we know, Most Chinese producers set Fast Yellow HGR which from Clariant as their factory standard. And our quality can match HGR completely.

Pigment Yellow 191 is a brilliant reddish yellow pigment, with excellent heat resistance, good migration resistance, good weather, light fastness,and the color is closed to Pigment Yellow 83. Than tinting strength is much lower than Pigment Yellow 83. Formulated 1/3 SD HDPE with 1% of titanium dioxide required 0.34% of pigment, and only 0.08% of pigment is needed for pigment Yellow 83 to achieve the same effect.

Pigment Yellow 191 can be used on almost any resin, such as PP, PE, PVC, PS, ABS, PC, Rubber etc, just because of very high heat resistance. But PA, PET, PAN are not recommended.

Below figure shows its properties in PVC and HDPE.

Regarding regulations, We make AP89-1, EN71-3 certificate every year to provide latest version to our customers. With Reach Certificated, our product is no limited to import to European market.

Finally, Let us replenish another 3 Characteristic about PY191:

1. Pigment Yellow 191 has a relatively low tinting strength,it is suitable for color matching of light-colored varieties.

2. The full shade of Pigment Yellow 191 can still meet requirements of exposing outdoors for a long time.

3. Pigment Yellow 191 has excellent heat resistane,especially for coloring light product can still maintain a good heat resistance, and used for PC is up to 330℃. In addition to using for coloring of PVC and general purpose polyolefin, also can be used for coloring of engineering plastics.

Links to Pigment Yellow 191 Specification: Plastics application; Painting and Coating application.