Abstract
Tanning is the process of converting raw hide protein to leather, which are stable, not easily decompose, and is suitable for a variety of uses. The use of vegetable based tanning materials in the leather tanning process has not been carried out. Vegetable based materials that were used are betel nuts. This plant contains tannin which is the main agent in the process of leather tanning. The aim of this study was to determine the physical characteristics of snapper leather treated with betel nut extract. Soxhlet extracting method with methanol as a solvent were used to obtain tannin from betel nuts. Tanned Snapper Leather were analyzed for physical quality, elongation strength, tensile strength, tear strength, and sewing strength. The result showed that methanol extracted betel nut with 10% concentration gives the optimum physical characteristics.<br />Keywords: areca nut, chrome, snapper, snapper
Highlights
Indonesia merupakan negara yang memiliki industri penyamakan kulit yang sudah berkembang pesat, terutama penyamakan yang menggunakan kulit yang berasal dari hewan darat seperti kerbau, sapi, kambing, dan domba
Penambahan ekstrak biji pinang dengan konsentrasi yang berbeda (5%, 10%, dan 15%) mempengaruhi karakteristik fisik kulit ikan kakap tersamak
The aim of this study was to determine the physical characteristics of snapper leather treated with betel nut extract
Summary
Bahan yang digunakan adalah kulit ikan kakap putih (Lates calcalifer Bloch) yang diperoleh dari limbah fillet ikan kakap di perusahaan fillet ikan Kota Tangerang yang bermutu A, yaitu kulit yang mutlak bebas cacat fisik. Biji pinang (Areca catechu L) diperoleh dari Kecamatan Buahdua, Sumedang, Jawa Barat. Biji pinang yang digunakan adalah pinang tua karena memiliki kulit kuning kecoklatan dan sulit untuk dihancurkan, etanol 96%. Air, Na2S, Ca(OH), Pancreol (oropon), asam formiat (HCOOH), (NH4)2SO4, garam dapur NaCl, bahan penyamak khrom (Cr2O3), natrium karbonat (Na2CO3), cat dasar, minyak, dan anti jamur. Alat-alat yang digunakan pada penelitian ini meliputi alat pengukur ketebalan (thickness dumb bell digital) dan mesin uji tarik (Zwick/Roell) untuk pengujian kekuatan tarik, kekuatan jahit, kemuluran, dan kekuatan sobek
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