https://www.avient.com/knowledge-base/article/what-s-difference-fillers-reinforcements?ind[]=21508
They help make plastic parts opaque, but they don’t interfere with polymer colorants.
The fine black powder is added at relatively high levels and creates only black-colored parts.
They can withstand high temperatures and are resistant to most chemicals, abrasion and dirt2 and can be used with a range of colorants.
