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All Journal JTT (Jurnal Teknologi Terpadu) ETAM: Jurnal Pengabdian kepada Masyarakat
Suwarno, Yuli
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PENGARUH PENGGUNAAN KARET COMPO CREPE DENGAN FILLER CARBON BLACK TERHADAP KARAKTERISTIK FISIS VULKANISAT KARET UNTUK PRODUK KARET BANTALAN DERMAGA suwarno, yuli
Jurnal Teknologi Terpadu Vol 12, No 1 (2024): JTT (Jurnal Teknologi Terpadu)
Publisher : Pusat Penelitian dan Pengabdian Kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32487/jtt.v12i1.2045

Abstract

Marine Rubber fenders are rubber products that function to absorb and transmit impact energy originating from ships to the dock structure and protect the dock from impacts from docked ships. Locally produced natural rubber-based marine rubber fenders often experiences quality problems in terms of resistance to wear and permanent compression. This research aims to study the effect of using compo crepe rubber with carbon black filler in making natural rubber vulcanisate for marine rubber fender products. In this research, carbon black filler was added with varying amounts of 60,65,70,75 and 80 phr. The experiment began with making a rubber compound on a laboratory scale. The rubber compound obtained was then molded for test samples to characterize the mechanical properties of vulcanized rubber for marine rubber fender. Test parameters refer to SNI 06-3568-2006. The combination of compo crepe natural rubber with all variations of carbon black filler are able to produce physical characteristic values of hardness, breaking stress, elongation at break, tear resistance that meet SNI standards. The compression value still meets SNI standards with carbon black 70 phr. Aging has a significant influence on the physical characteristics of elongation at break with a decrease in values that exceed SNI standards. Natural rubber compo crepe can be used as a raw material for marine rubber fender with the addition of a certain amount of carbon black.Keywords : marine rubber fender, compo crepe, carbon black, mechanical properties
Peningkatan Ekonomi Rumah Tangga melalui Pembuatan Sabun Cair dari Minyak Goreng Bekas Ratnaningsih, Wahyu; Dwi Wibowo, Midarto; Bagus Seno Wulung, Raden; Suwarno, Yuli; Saputra, Andri; Satwikanitya, Pani; Sarisky Dwi Ellianto, Mario; Listyalina, Latifah
Jurnal ETAM Vol. 4 No. 2 (2024): JUNE
Publisher : Politeknik Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46964/etam.v4i2.637

Abstract

Sabun cair merupakan kebutuhan rumah tangga yang digunakan dalam kehidupan sehari-hari seperti mencuci tangan dan mencuci peralatan dapur. Di samping itu sabun cair dapat dibuat dari minyak goreng bekas, sedangkan minyak goreng bekas jika dibuang ke lingkungan secara langsung akan mencemari lingkungan. Kegiatan pengabdian masyarakat ini bertujuan agar para akademisi dapat turut serta untuk meningkatkan perekonomian rumah tangga melalui pembuatan sabun cair dari minyak goreng bekas. Metode kegiatan ini antara lain dengan memberikan materi, diskusi, pelatihan, dan analisis kelayakan usaha oleh 4 instruktur kepada 30 peserta. Hasil kegiatan ini berupa pengetahuan dan keterampilan masyarakat dalam melakukan pembuatan sabun cair dari minyak goreng bekas serta analisis ekonominya. Hasil evaluasi menunjukkan bahwa terjadi peningkatan nilai keterserapan materi yang disampaikan dari 47,78 menjadi 94,17. Analisis aspek ekonomi menunjukkan bahwa harga jual yang ditawarkan untuk 1 botol sabun cair yaitu Rp 5000 pada saat promosi dan Rp 6000 pada keadaan normal dengan margin keuntungan sebesar 30 %. Usaha pembuatan sabun cuci ini harus menjual 128 buah botol sabun 250 ml untuk mendapat titik impas.
Co-Authors Andri Saputra Bagus Seno Wulung, Raden Dwi Wibowo, Midarto Listyalina, Latifah Ratnaningsih, Wahyu Sarisky Dwi Ellianto, Mario Satwikanitya, Pani