The ratio of the WPC scrap:WPC freshfeed at 30:70 was found to be the most appropriate mixing ratio based on the flexural strength, flexural modulus, impact energy and reduction of material cost by maximizing the use of WPC scrap. Re-processing of the aforementioned formulation resulted in a drop in the flexural strength and flexural modulus respectively, after the second pass of re-extrusion. The impact energy of the WPC freshfeed, scrap and their mixture were indifferent, and they remained relatively unchanged even after seven re-processing passes. Determination of the molecular weight of the PVC matrix revealed a gradual decrease after each pass of re-extrusion. However, a significant drop, by 35% and 30% respectively, was detected in the both View the MathML source and the View the MathML source upon re-processing for seven passes. Chain scission was believed to have occurred as a consequence of the shear stresses introduced repeatedly on the PVC melt during each re-processing pass. The mixture of WPC scrap:WPC freshfeed at 30:70 could be recycled and re-processed closed-loop type for the manufacturing of WPC products without critically affecting their mechanical performance.