mechanical properties and decay resistance of wood-plastic . Effects of Photo-Stabilizers on the Properties of Recycled High-Density. Polyethylene (HDPE)/Wood Flour (WF) Composites Exposed to Natural. Weathering. R. Mat Taib1*, N. S. Ahmad Zauzi1, Z. A. Mohd Ishak1, H. D. Rozman2. 1School of Materials and Mineral Resources Engineering, Universiti Sains Malaysia, 14300..