Polyurethane Composite Anti-Scorching Agent in Spray Polyurethane Applications Introduction: The Scorching Truth About Spray Polyurethane Foam Spray polyurethane foam (SPF) has become the darling of the construction and insulation industries, hailed for its excellent thermal performance, air sealing capabilities, and durability. But like any superhero, SPF has its kryptonite — scorching. No, we’re not talking...