This guide introduces extrusion PVC compounds, their formula composition, classification, typical applications and standardized extrusion operations. Pre-compounded PVC blends with balanced additives ensure stable production and consistent product quality. It covers rigid, flexible and transparent PVC materials widely used in construction, wire cable and consumer goods. Standard processing parameters for feeding, melting, die shaping and cooling are provided, alongside solutions for common extrusion defects. Proper PVC compound matching helps cut rejects and boost production efficiency.