Comparación de diferentes tipos de curtientes para el curtido de pieles caprinas

Abstract

The effect of three different tanning agents Tara (5%), Aluminium Sulphate (5%) and Synthetic Tanning (5%) were evaluated in the tanning laboratory of the Faculty of Animal Sciences at ESPOCH for tanning sheep’s and goats hides, for the production of leather to make women's shoes, so twenty four experimental units were distributed under a completely random simple design. The results indicate that 85% of the hides is currently produced based on chromium, however, they have a problem of severe contamination in industrial waste. The best tensile strength (2450.92 N / cm2) and lastometry (8.01 mm) were achieved by using synthetic tanning agents, while the best elongation was recorded with tare (62.50%); so that the best elongation was recorded with tare (62.50%); observing that the three characteristics evaluated meet the quality requirements of IUP 6 and 9 2002 rules. The sensory appreciation of goat leather determined that the use of synthetic tanning provides a higher degree of fullness (4.50 points), softness (4.63 points) and roundness (4.50 points); in other words flexible leather, soft and especially with a pleasant touch of the skin. The highest cost-benefit ratio was reported for the leathers of T3 treatment (synthetic tanning); Since the nominal value was 1.28, meaning that for every dollar invested a profit of 28 cents is expected; Which when compared with other similar activities and especially with the interest generated by commercial banking is very encouraging.