The Effect of Anti-Yellowing Agent Concentration on Polyurethane Glue Adhesion Strength 🧪 Introduction: The Invisible Battle Against Yellowing Polyurethane glue, a staple in modern adhesives, is celebrated for its versatility, durability, and robust bonding strength. Whether it’s used in furniture assembly, automotive manufacturing, or shoe sole attachment, polyurethane (PU) glue stands out as a reliable...