In this 12-page article PDF, expert Ed Petrie will review how silane modified polymer (SMP) sealant formulations can be optimized to reach sustainability goals without diminishing properties. New THIXATROL® Renewable Rheology Modifiers from Elementis are also introduced. THIXATROL are diamide-based organic thixotropes produced from renewable raw materials (>75% bio-content) that provide properties and benefits that can indirectly increase the sustainability of SMP sealants.