The aim of the current project is to study the possibility of compounding polyethylene using stone cutting solid waste (lime stone powder).  Solid stone cutting waste consist mainly of calcium carbonate and is usually disposed in open fields, roadside, sewage and agricultural land leading to several environmental and health problems to human and agriculture. Samples of slurries were collected and screened into different sizes. Then Polyethylene was compounded with the stone cutting waste using an extruder as hot mixing and the compounded product was formed as sheets.

The mechanical and thermal properties of the resulting sheets was examined and compared with the commercial products.

From the results, it was found that the melt flow index and tensile strength  increases with decreasing slurry concentration and particle size. Also the degree of crystallinity  increases with decreasing slurry concentration. However, modulus elastic increases with increasing slurry concentration and decreasing  particle size.

The max value of melt flow index, tensile strength and degree of crystallinity         (4.1 g/min),  (10.856 mpa) , (11%), respectively, was found at 30% concentration of 0.15mm slurry.The max elastic modulus (491.3266) was found at 60% concentration of 0.15mm slurry.