Evaluating the Heat and Long-Term Durability of Polyurethane Glue Anti-Yellowing Agents Introduction: The Yellow Menace in Polyurethane Adhesives 🌞 Polyurethane glue, known for its strong bonding power, flexibility, and resistance to environmental stress, is widely used across industries—from furniture manufacturing to automotive assembly. However, one persistent issue that plagues this versatile adhesive is yellowing over...