Analisis Kekuatan Mekanis Biocomposite Limbah Tandan Kosong Kelapa Sawit Dan Limbah Plastik Polipropena Berbasis Fused Deposition Modeling

Abstract

Polypropylene (PP) plastic is a type of plastic that is widely used by almost all people and has the potential to become plastic waste. In addition, Indonesia is also the largest palm oil producing country in the world, where the processing of palm oil has an impact on the amount of waste produced, namely Oil Palm Empty Fruit Bunches (OPEFB). From these problems, the purpose of this study is to utilize PP plastic waste and OPEFB waste into useful products that can be used as Fused Deposition Modeling 3D printer filaments and to find out how the manufacturing process is made. This OPEFB-PP biocomposite filament was made using the extrusion method, where the polypropylene plastic was chopped and the empty palm oil bunches were first converted into 60 mesh particles. The two materials are then processed in an extruder machine with the percentage by weight of OPEFB particles used in 1 extrusion process is 2.439% of the 120 grams of PP plastic used. The OPEFB-PP biocomposite filament was then printed into the ASTM D638 Type 1 test specimen using the 3D Printing Fused Deposition Modeling method. In this study, 5 specimens of each type of OPEFB-PP biocomposite specimens and PP specimens have been prepared for tensile testing. This tensile test aims to obtain the effect on the mechanical strength of PP specimens containing OPEFB particles. The results of the average value of the tensile test data show that the maximum tensile strength of the PP and OPEFB-PP specimens is 3.4615 MPa and 2.42 MPa, which is a decrease in the OPEFB-PP specimen by 30.0882 % for the maximum tensile strength.