Polystyrolschaum

noun
  1. Polystyrolschaum is the German term for polystyrene foam, a lightweight, rigid, plastic foam material made from polystyrene. It is commonly used for insulation, packaging, and as a material for craft and model-making. noun
    The packaging was made from Polystyrolschaum to protect the fragile items during shipping.
    Builders often use Polystyrolschaum for insulation in walls and roofs due to its excellent thermal properties.