Retanning and filling agent for all leathers – based on dyciandiamideSYNTAN DF 585 is a retanning and filling agent for all leathers, based on dyciandiamide. Suitable applications include: shoe upper, bag leather, upholstery. CharacteristicsSYNTAN DF 585 gives a very notable improvement in grain tightness. It levels out fullness differences in the various parts of a hide. The leathers have a full and round, medium soft handle.TDS requestRequest a TDS of productTDSSample requestRequest a sample of productRequest Part of Smit’s Renewability rangeDiscover our bio-based wet end solutions for excellent leather performance. Download brochure