A versatile retanning and filling agent for a wide range of leathers Suitable applications include shoe upper, bag leather and upholstery. Characteristics Syntan LF 187 has strong filling properties and it levels out fullness differences in the various parts of a hide. Syntan LF 187 has a positive effect on grain tightness . An even and fine milling pattern can be obtained by using Syntan LF 187. TDS request Request a TDS of product TDS Sample request Request a sample of product Request