Expancel 980 MB 100
Expancel 980 MB 100, Preparation/Chemical mixture, Polymer, Masterbatch of dry, unexpanded thermoplastic microspheres mixed with a carrier and used as a blowing agent in thermoplastics and similar applications. It has a particle size of around 100 µm in its expanded form.
https://www.nouryon.com/product/expancel-980-mb-100-preparationchemical-mixture/