PVC is one of the most versatile and widely used plastics in the world, known for its durability, chemical resistance, and affordability. However, like many polymers, PVC's performance can be limited by its sensitivity to heat, which can affect its stability, processing properties, and overall durability in high-temperature applications. This is where heat-resistant modifiers, such as PVC heat-resistant modifier What is PVC Heat Resistant Modifier Powder?