What keeps a cold chain cold, a cabin quiet and a package intact? Often it is polymer foam. The Polymer Foam Market reflects that wide use, rising toward US$ 149.7 billion by 2031 at a 6.3% CAGR from 2025 to 2031. What Is Polymer Foam? Polymer foam is a cellular material made by trapping gas bubbles inside a plastic matrix, which cuts weight while adding cushioning, insulation or buoyancy....