Analysis of Bamboo Fiber as Filler on the Mechanical Properties of Natural Rubber Compound
Abstract
This research is based on the study of bamboo fiber as filler in natural rubber compound. The mechanical and sorption properties of bamboo fiber were analyzed to establish the possibility of using it as material for natural rubber article applications. The bamboo fiber was sourced locally, washed, dried, grinded and sieved and used as filler in natural rubber compounding. The bamboo fiber filler was used at different filler loadings of 0, 10, 20, 30 and 40g. The results of the tests indicated that tensile strength and flexural strength increases as filler loading increases from 10 – 30g. This was attributed to high surface area of the bamboo fiber which suggested better polymer interaction. However there was a decrease at filler loadings beyond 30g. The hardness result showed increase with increasing filler loading, thus filler loading at 40g gave the highest hardness of 25 IRHD. The sorption results for kerosene and diesel showed a decrease in sorption properties with increasing filler loading. This indicated that filler reinforcement prevented the rubber compound from solvent absorption.
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