You have polyurethane plastics that can span from the elastomer area to the plastic area of shore hardness.
So a core of hard polyurethane overmolded with soft polyurethane would make it recycled as one piece of polyurethane.
You have polyurethane plastics that can span from the elastomer area to the plastic area of shore hardness.
So a core of hard polyurethane overmolded with soft polyurethane would make it recycled as one piece of polyurethane.