Biokimica Group Nappa Series

BK 5129 Soft and elastic matt nappa with a silky touch and a clean, smooth, and slightly visible texture. The article is made on full calfskin, and it can be used for footwear. BK 5003 Soft and elastic glossy nappa with a silky touch and a clean, smooth, and slightly visible texture thanks to PF 66-01, a universal blend of oils and waxes derived from renewable sources for eco-sustainable articles widely used in grounds, coverings, tops and as touch modifier. The article is made on full calfskin (1.0 – 1.1 mm) and it can be used for shoe upper and boots. BK 5005 Soft and elastic milled nappa with a silky touch and a clean, smooth and slightly visible texture thanks to the use of a noninvasive thin covering blend of COAT 86 and COVER 88-02, a formulation based on biopolymers made from raw materials from renewable sources. BK 5005 shows a high fastness to mechanical stress. The obtained leather is glossy with a silky touch thanks to application of TOP 99-01, a glossy aliphatic fine-film polyurethane based on raw materials derived from renewable sources used for eco sustainable articles. The article is made on full grain whole calfskin, and it can be used for footwear. The use of polymeric fatliquors in wet-end processes such as LIKERSOL WS (free from formaldehyde and sulphates) and LIKERSOL PL, a low-COD fatliquor based on minimal 77% of natural raw materials, favoring a good dry-milling and allowing to obtain a very soft and homogeneous leather with excellent weight ratio; one of the most important characteristics for nappa leathers