Dynacore offer the unique structure needed to dissipate sound waves and absorb heat. In addition to its excellent sound absorption properties, it is lightweight, flexible, compressible, and thermally insulating. The black Fiber-based core offers excellent low–frequency absorption properties, thermal resistance up to 350° F, and compliance with UL94, MVSS 302, UL HF1, UL HBF standards. The facing is resistant to moisture, UV, and gasoline.