Para-rubber Floor Tiles Mixed with Plastic Wastes from the Factories
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This research aims to develop the Para-rubber floor tiles mixed with ethylene vinyl acetate plastic wastes (EVA plastics) from the factories. The study use Para-rubber STR 20 at 100 phr with various contents of EVA plastics (e.g. 0, 5, 10, 20, 40, and 80 phr) and then mixed with chemical substance at constant ratio include zinc oxide at 5 phr, stearic acid at 2 phr, sulfur at 3 phr, mercaptobenzothiazole at 0.5 phr, and diphenyl guanidine at 0.2 phr. The samples are ground by two-roll mill and formed by compression molding at 150 degree Celsius with 30x30x0.2 cm of dimension. The properties of the Para-rubber floor tiles are tested under ASTM standard. From the results, it is found that the Para-rubber floor tiles mixed with 10 phr of EVA plastics is the suitable ratio for using as the rubber floor tiles and rubber wall tiles in building. This ratio can increase the hardness and wear resistant properties and decrease the density and thermal insulation properties when compare to the Para-rubber floor tiles without EVA plastic.
- Research Report