The Role of Bismuth Octoate Catalyst in Low-VOC Polyurethane Systems Introduction Polyurethane (PU) systems have been a cornerstone of the coatings, adhesives, sealants, and elastomers (CASE) industries for decades. Their versatility, durability, and performance make them indispensable in a wide range of applications, from automotive finishes to construction materials. However, with increasing environmental awareness and...