Pembuatan kulit atasan sepatu bebas krom
Journal: Majalah kulit, karet, dan plastik (Vol.29, No. 2)Publication Date: 2013-12-30
Authors : Widari Widari; Rambat Rambat; Suparti Suparti;
Page : 99-104
Keywords : chrome; vegetable; syntan; leather; shoes;
Abstract
The purpose of this study was to obtain the process formulation for leather tanning in manufacturing chrome-free upper leather. The tanning process used vegetable tanning material (mimosa), syntan, and combination of vegetable-syntan. The leather were prepared using 25, 30, and 35% of mimosa, 10, 15, and 20% of syntan, and 15:10; 15:15; and 20%:15% of mimosa:syntan. Chrome tanning material 6% was used as control. Based from the results of physical testing according to SNI 0234:2009, the resulting leather met the quality requirements for shoe upper leather. Tanning process with 20% syntan gave the best result.
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