In March 2014 specialist of “Shebekinskaya Industrialnaya Khimiya”, LLC. conducted technical trials at one of the Russian tanneries. In course of the trials production lots of belt leathers were produced without using any dye with such materials as Evrosintan RCN black (acrylic resin) and synthetic tanning agent SD-SF black. The trial was a success. The leathers were sent to the customer.