Particulate filled polymeric composites are becoming attractive because of their wide applications and lower production cost. To evaluate the possibility of using waste sil-ica based ceramic materials as reinforcing filler in recycled low density polyethylene (LDPE) composite, the effect of ceramic particle (PC) sizes on the mechanical, wear and thermal behaviours of LDPE composites were investigated at (2wt% filler) and grain sizes (40 − 150 µm). The wear behaviour was characterized using

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... sis of variance (ANOVA) and linear regression to determine the main and interactive effects of the process parameters such as speed, load and time on the wear behaviour of the fabricated low density polyethylene reinforced with ceramic particles (LDPE-PC) composites. Test results show that the decreasing of the ceramic particles 40 − 150 µm improved the mechanical, wear and thermal properties of the LDPE-PC composites. Factorial design of the experiment can be successfully employed to describe the wear behaviour of the samples and developed linear equation for predicting wear rate with in selected experimental conditions.