PENGARUH LAMA PENGEMPAAN TERHADAP SIFAT FISIS MEKANIS WOOD PLASTIC COMPOSITE (WPC) DARI SERAT TANDAN KOSONG KELAPA SAWIT (TKKS) DAN PLASTIK DAUR ULANG HIGH DENSITY POLYETHYLENE (HDPE)

Iqbal, Fathra Yuzha (2021) PENGARUH LAMA PENGEMPAAN TERHADAP SIFAT FISIS MEKANIS WOOD PLASTIC COMPOSITE (WPC) DARI SERAT TANDAN KOSONG KELAPA SAWIT (TKKS) DAN PLASTIK DAUR ULANG HIGH DENSITY POLYETHYLENE (HDPE). Diploma thesis, Universitas Andalas.

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Abstract

“The Effect of Pressing Time Duration on Physical And Mechanical Properties of Wood Plastic Composite (WPC) From Oil Palm Empty Fruit Brunches Fiber and Recycled High Density Polyethene (HDPE) Plastic” Iqbal Fathra Yuzha, Anwar Kasim, Novizar ABSTRACT This research aimed to determine the optimum of duration of pressing time in wood plastic composite (WPC) manufacture. The volume of WPC board was (20x20x1) cm and the desired density was 0,8 g/cm3. The design used in this research was completely randomized design with three repitition for each five variation of length of pressing time treatments such as 8, 9, 10, 11, and 12 minute. The result was analyzed by Anova at the 5% of significance level and preceed by DNMRT test if the result showed significance effect. The result showed that the duration of pressing time had signicance effect on mechanical properties such as modulus of rupture (MOR), modulus of elasticity (MOE) and compressive strength parallalel to the surface while on the physical properties only moisture content had the significance effect at the 5% of significance level. The physical properties such as moisture content and density of WPC have reached the requirements of SNI 8154:2015 while the mechanical properties of WPC are not reached the requirements of SNI 8154:2015. According to JIS A 5741, the water absorption of WPC had not reached the requirement. Determination of the optimum of duration of pressing time was analyzed by multi attribute decision making-simple additive weighting model (MADM-SAW) method. Score of MADM-SAW showed that 10 minutes of duration of pressing time was the optimum time with score about 6,33. Keywords : WPC, duration of pressing time, density, MOR, MOE.

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