Tensile strength Mechanical properties 11 Reinforcement 9 Fibers 6 Hemp 6 Scanning electron microscopy 6 Tensile testing 6 Elastic moduli 5 Natural fibers 5 Water absorption 5 Bamboo 4 Fourier transform infrared spectroscopy 4 Hybrid composites 4 Morphological properties 4 Polypropylenes 4 Thermogravimetric analysis 4 Bending strength 3 Blending 3 Compressive strength 3 Crystallinity 3 Differential scanning calorimetry 3 Fillers 3 Injection molding 3 Laminated composites 3 Mechanical and thermal properties 3 Mechanical performance 3 Morphology 3 Palm oil 3 Silica 3 Surface morphology 3