https://www.avient.com/sites/default/files/2020-10/tpe-injection-molding-guide.pdf
The Avient GLS™ product families that include styrenic TPEs are Versaflex™, Dynaflex™, OnFlex, Versalloy™ and Versollan™.
Some grades, such as OnFlex™ G7700s and G7800s, and Dynaflex™ G7900s contain filler, which reduces their shrinkage.
S-7 Good high hardness, improved toughness, general-purpose tool steel.