Abstract

 Due to increase in population, natural wealth is being exploited to a large extent as an alternative to synthetic materials. Due to this, the use of natural fibres for the reinforcement of the composites has received growing attention. Over the years, composite materials, plastics and ceramics have been the dominant emerging materials due to their low cost, fairly good mechanical properties and high aspect strength. Contemporary composite materials constitute a considerable proportion of the engineered materials market ranging from everyday products to sophisticated niche applications. Present effort has been undertaken to study the effect of human hair fibre mixed with polypropylene. Experiments were conducted with various percentages of human hair fibre such as 3%, 5%, 8% in polypropylene using Injection moulding process. Each amalgamation of proportions is tested for their mechanical properties. I t was found that Polypropylene and hair fibre polymer reinforced composite have superior flexural and impact strength than Polypropylene alone and has inferior tensile strength than simple polypropylene

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