Curtición de pieles de ovino pelibuey con diferentes niveles de caesalpinia spinosa ( tara).

Abstract

Tanning pelibuey sheep skins with different levels of caesalpinia spinosa (Tara) the methodology applied was the determination of the physical resistance of the leather in the tannery laboratory equipment and the sensory variables evaluated by the qualified judge. The experimental units were 24sheep skins modeled under a completely random design. The results indicate the best tensile strength when tanning with 10% task with 5892.26 N / cm2; for the percentage of elongation when tanning with 12% of tare with 103.44%, meanwhile the best lastometry was established in tanned skins with 14% of tare with 11.18mm, observing that in the tree cases mentioned it is met with the quality requirements of the Spanish Association in the Leather Industry. In the sensory evaluation the highest result of fullness (4.50 points) were determined; softness (4.75 points), and fineness of hair (4.63 points), and excellent weighting when tanning with 14% more tare. I conclude that the production costs of pelibuey sheep skins fluctuate between 1,19 to 1.28 cents per square foot and when marketed according to their minimum classification at 2.50 the foot it is observed that for the skins of the T3 treatment (14%), the cost benefit ratio was the highest of 1.22, meaning that for every dollar invested a profit of 22 cents is expected. I recommend tanning pelibuey sheep skins with high levels of tare (14%), to archive a very resistant material and an unsurpassed natural beauty of its own for the manufacture of medium leather goods, and especially taking care of the planet in which we live.