Calati 300AST Softness Tester for Leather, Synthetic Leather and Flexible Materials according to ISO 17235:2015 and IULTCS/IUP 36 The Calati 300AST is a professional softness tester for leather, hides, synthetic leather and flexible materials, commercialized by Danese Srl for laboratories, tanneries, quality control departments and companies working with technical materials. The instrument allows the softness of natural leather, hides, synthetic leather, non-woven fabrics and similar flexible materials to be measured in a simple, repeatable and documentable way. It is especially useful when softness should not be evaluated only by hand, but converted into a comparable value between batches, suppliers, articles [...]