The man-made fibers (glass, carbon and Kevlar) are widely used as reinforcing material in polymer composites because of high strength to weight ratio and stiffness as compared to conventional materials, i.e. steel, wood and concrete. Beside its primacy to the safety and environmental issues, polymer composites are becoming great contributions to various application areas such as packaging, building construction, automotive parts and electronic industries due to its inherent advantages like flexible, inexpensive and durable. These unfavorable environmental issues of man-made fiber reinforced polymer composites can be minimized by the hybridization techniques. Hybrids can have more than one reinforcing phase and a single resin phase or single reinforcing phase with multiple resin phases or multiple reinforcing and multiple resin phases. The aim of this research is to reduce the weight percent (wt %) of glass fiber and reduced wt % managed by natural fiber (jute, bamboo), so as to minimize the adverse environmental issues. Therefore, the present work is to evaluate the mechanical properties such as tensile strength, flexural strength, impact strength and hardness of mono fiber (glass, jute and bamboo) polyester composites (MFPC). Moreover, the comparison of mechanical properties of MFPC with different combinations of glass/jute; glass/bamboo and jute/bamboo hybrid polyester composites was discussed. The results indicated that incorporation of bamboo fiber with glass fiber reinforced polyester (GFRP) composites exhibited better in tensile strength, impact strength and hardness than the jute fiber reinforced GFRP composites and jute fiber reinforced GFRP composites performed superior in flexural strength.
