A fully formulated polyurethane systems for producing visco elastic foams to damp the intensity of resonance frequencies. This solution offers excellent ultra-low emission interiors, fast curing behavior and excellent flowability with wide process latitude. VE SPECFLEX™ -CIR Acoustical Foam Systems B can contain 60% circular content and > 40% in CO2 reduction according to Service to Society Together for Sustainability (TfS).