High nitrogen content polyurethane foams

A low-pressure two-component polyurethane foam composition in which “A-side” and “B-side” reactants comprise:

• at least one A-side diisocyanate and at least one HFO propellant;
• at least one B-side polyol, wherein the at least one B-side polyol comprises
• at least one aminopolyol,
• at least one B-side plasticizer,
• at least one surfactant,
• at least one catalyst,
• wherein the at least catalyst is a metal-based catalyst;
• and
• at least one HFO propellant;
• wherein a theoretical nitrogen content of the polyurethane foam composition is greater than 1.0 wt. %;
• and
• a catalytic decay ratio of the polyurethane foam being approximately equal to or less than 2.5.