Highly lightfast liquid replacement tanning agent SYNTAN AM 656 is a hightly lightfast liquid replacement tanning agent. Suitable applications include: shoe upper, bag leather, garment and upholstery. Characteristics It has a tight yet elastic grain. Does not cause any hardening of the grain. This inner softness makes SYNTAN AM 656 very suitable for the production of milled nappas. Gives a relaxed, medium full and slightly rubbery handle. Does not bleach the leather colour. Improves the flatness and smoothness of the grain. TDS request Request a TDS of product TDS Sample request Request a sample of product Request