Monday, January 25, 2016
MANUFACTURING OF CHROME-FREE SHOE UPPER LEATHER
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.
Keywords: chrome, vegetable, syntan, leather, shoes
Full Text
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment