KARAKTER FISIK KULIT DOMBA SAMAK KOMBINASI DENGAN BAHAN PENYAMAK ALUMUNIUM-MIMOSA

Swatika Juhana (Jurusan Teknologi Pengolahan Kulit, Politeknik ATK, Yogyakarta)
Tutik Maryati (Jurusan Teknologi Pengolahan Kulit, Politeknik ATK, Yogyakarta)
Wahyu Fajar Winata (Jurusan Teknologi Pengolahan Kulit, Politeknik ATK, Yogyakarta)

Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit
Vol 19 No 1 (2020): BERKALA PENELITIAN TEKNOLOGI KULIT, SEPATU DAN PRODUK KULIT

Sheep skin tanning has been carried out using a combination tanning material, namely 4% Aluminum and 6% Mimosa. Raw materials in the form of raw sheep skin weighing 2 kg. BHO, tanning, and post tanning processes are carried out to produce crust skin. The physical test characteristics are 0.7 mm thickness, 6 mm softness, 27.8 N/mm2 transverse tensile strength, 17.8 N/mm2 longitudinal tensile strength, 48.5 % transverse elongation, 45.8 % longitudinal elongation, 19.1 N/mm2 transverse tear strength, 18.9 N/mm2 longitudinal tear strength, and shrinkage temperature (Ts) 89oC. The physical test results were compared with the SNI 4593-2011 standard for sheep leather jackets. The results meet the SNI for sheep leather jackets.